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Bract

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365: 440: 458: 386: 404: 322: 225: 422: 249: 304: 344: 283: 599: 500: 646: 267: 42: 2272: 321: 364: 439: 224: 590:) has narrow involucral bracts surrounding each inflorescence, each of which also has a single bract below it. There is then a pair of leafy bracts on the main stem and below those a pair of leaves. 82:
Bracts are usually different from foliage leaves; they may be of a different size, color, shape, or texture. Typically, they also look different from the parts of the flower, such as the petals or
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Ralph Simon; Marc W. Holderied; Corinna U. Koch; Otto von Helversen (2011). "Floral acoustics: Conspicuous echoes of a dish-shaped leaf attract bat pollinators".
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The term involucre is also used for a highly conspicuous bract or bract pair at the base of an inflorescence. In the family
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Some bracts are brightly coloured and serve the function of attracting pollinators, either together with the
2148: 1735: 1250: 2230: 1984: 740: 712:), the spathe is petal-like, attracting pollinators to the flowers arranged on a type of spike called a 1964: 144:(upper bract), while each spikelet (group of florets) has a further pair of bracts at its base called 2296: 2114: 956: 668:
is a large bract or pair of bracts forming a sheath to enclose the flower cluster of such plants as
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are linear, loose, taper to a point, about the same length, and help to distinguish this species.
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is a leaf-like structure, such as a bracteole, subtending (extending under) a single flower or
17: 1811: 1024: 1006: 129:: both of these have large colourful bracts surrounding much smaller, less colourful flowers. 2247: 858: 119: 1969: 1866: 1821: 1493: 1052: 868: 541:. Each flower in an inflorescence may have its own whorl of bracts, in this case called an 429: 256: 232: 1469: 8: 2139: 1684: 333: 872: 30:"Involucre" redirects here. For the protective layer that encloses spores in fungi, see 2077: 1942: 1720: 1412: 1198: 1094: 892: 789: 465: 615:
of a single flower, is a modification of bracteoles In other words, the epicalyx is a
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because they resemble the sepals in them. They are present in the hibiscus family,
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Bats may detect acoustic signals from dish-shaped bracts such as those of
136:, each floret (flower) is enclosed in a pair of papery bracts, called the 41: 2016: 2001: 1996: 1932: 1794: 1574: 1545: 1444: 1439: 1287: 1127: 1122: 1107: 534: 358:
inflorescence showing four large white bracts and central flower cluster.
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is a leafy structure that protects the developing nuts. Beggar-tick (
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or instead of it. Examples of this type of bract include those of
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Popay, I (2022-01-07). Bidens frondosa (beggarticks) (Report).
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are more tightly pressed against the stem than bracts of other
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Bracts subtend the cone scales in the seed cones of many
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An epicalyx, which forms an additional whorl around the
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plants have bracts at the base of each inflorescence.
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Jensen, William August; Salisbury, Frank B. (1972).
379:with pink bracts surrounding small flower cluster. 557:and are usually minute scales or bristles. Many 2288: 637:(strawberries) may or may not have an epicalyx. 833: 708:from its tubular spathe. In many arums (family 297:cyathia bearing a pair of pinkish cyathophylls. 45:Papery (upper) and leafy bracts on hay rattle ( 184:. The term can also mean the lower bract on a 97:, while one that lacks them is referred to as 51:). All the "leaves" in this image are bracts. 1053: 838:. Wadsworth Publishing Company. p. 544. 823:. San Diego Society of Natural History. 1986. 621:bracteoles forming a whorl outer to the calyx 2159:International Association for Plant Taxonomy 487:. Technically this is any bract that arises 451:protected by two bracts before flower bloom. 1060: 1046: 276:flower stalk surround the rows of flowers 34:. For the indusium in ferns or fungi, see 918: 2103:International Code of Nomenclature (ICN) 644: 597: 498: 89:A plant having bracts is referred to as 40: 191:The frequently showy pair of bracts of 14: 2289: 933: 852: 328: 218:, they extend beyond the cone scales. 1041: 998: 912: 908: 906: 494: 491:a pedicel instead of subtending it. 24: 938:. Pratiyogita Darpan. p. 136. 617:group of bracts resembling a calyx 545:. In this case they may be called 427:The pink bract of a new cultivar: 25: 2313: 2108:ICN for Cultivated Plants (ICNCP) 981:"epicalyx – Dictionary of botany" 934:Darpan, Pratiyogita (June 2006). 903: 2271: 2270: 456: 438: 420: 402: 384: 363: 342: 320: 302: 281: 265: 247: 223: 1016: 987:from the original on 2012-05-01 800:from the original on 2017-04-28 771:from the original on 2017-04-28 973: 942: 927: 836:Botany: an Ecological Approach 827: 811: 782: 753: 13: 1: 920:10.1079/cabicompendium.108916 761:"the definition of bracteate" 746: 212:, and in some cases, such as 63:is a modified or specialized 2149:History of plant systematics 1736:Thorns, spines, and prickles 1025:Flora of the Maltese Islands 474: 27:Modified or specialized leaf 7: 741:Glossary of botanical terms 719: 593: 521:are collectively called an 108: 10: 2318: 1965:Alternation of generations 1067: 936:Competition Science Vision 479:A small bract is called a 29: 2266: 2214: 2178: 2115:Cultivated plant taxonomy 2078:Biological classification 2068: 1941: 1857: 1753: 1703: 1428: 1358: 1301: 1263: 1237: 1173: 1093: 1075: 790:"Definition of Ebractate" 640: 148:. These bracts form the 1975:Evolutionary development 983:. Botanydictionary.org. 568:, notably in the genera 513:Bracts that appear in a 230:Bright yellow bracts of 1626:Hypanthium (Floral cup) 881:10.1126/science.1204210 697:Zephyranthes tubispatha 651:Anthurium scherzerianum 2241:by author abbreviation 2165:Plant taxonomy systems 2083:Botanical nomenclature 661: 608: 605:Hibiscus rosa-sinensis 510: 52: 2248:Botanical expeditions 820:Environment Southwest 648: 601: 502: 463:The golden bracts of 445:The inflorescence of 120:Euphorbia pulcherrima 44: 1980:Evolutionary history 1970:Double fertilization 1822:Cellular respiration 1007:The Book of the Iris 430:Anthurium andraeanum 309:Colourful bracts of 257:Bougainvillea glabra 233:Castilleja levisecta 197:species in subgenus 1199:Non-vascular plants 873:2011Sci...333..631S 555:receptacular bracts 409:The pink bracts of 334:Erigeron peregrinus 1704:Surface structures 1499:Flower development 794:www.greengonzo.com 662: 609: 511: 466:Musella lasiocarpa 391:The red bracts of 140:(lower bract) and 53: 2284: 2283: 1923:Herbaceous plants 1749: 1748: 867:(6042): 631–633. 845:978-0-534-00092-9 495:Involucral bracts 412:Curcuma petiolata 394:Aechmea bracteata 329:involucral bracts 312:Ananas bracteatus 170:Marcgravia evenia 123:(poinsettia) and 16:(Redirected from 2309: 2297:Plant morphology 2274: 2273: 2253:Individual trees 1928:Secondary growth 1899:Succulent plants 1887:Prostrate shrubs 1770:Apical dominance 1755:Plant physiology 1716:Epicuticular wax 1261: 1260: 1254: 1245:Plant morphology 1062: 1055: 1048: 1039: 1038: 1032: 1020: 1014: 1002: 996: 995: 993: 992: 977: 971: 970: 968: 967: 961: 955:. Archived from 954: 946: 940: 939: 931: 925: 924: 922: 910: 901: 900: 856: 850: 849: 831: 825: 824: 815: 809: 808: 806: 805: 786: 780: 779: 777: 776: 757: 657:with spathe and 460: 448:Alpinia zerumbet 442: 424: 406: 388: 367: 346: 324: 306: 285: 269: 251: 227: 48:Rhinanthus minor 21: 2317: 2316: 2312: 2311: 2310: 2308: 2307: 2306: 2287: 2286: 2285: 2280: 2262: 2231:Botanical terms 2224: 2210: 2174: 2120:Citrus taxonomy 2098:Author citation 2064: 1958: 1937: 1859: 1853: 1849:Turgor pressure 1757: 1745: 1699: 1514:Floral symmetry 1432: 1424: 1354: 1343:Vascular bundle 1338:Vascular tissue 1297: 1257: 1248: 1247: 1233: 1204:Vascular plants 1169: 1165:Plant pathology 1089: 1071: 1066: 1036: 1035: 1021: 1017: 1003: 999: 990: 988: 979: 978: 974: 965: 963: 959: 952: 948: 947: 943: 932: 928: 911: 904: 857: 853: 846: 832: 828: 817: 816: 812: 803: 801: 788: 787: 783: 774: 772: 759: 758: 754: 749: 722: 643: 596: 497: 477: 470: 461: 452: 443: 434: 425: 416: 407: 398: 389: 380: 368: 359: 347: 338: 327:The many green 325: 316: 307: 298: 290:Euphorbia milii 286: 277: 272:Bracts along a 270: 261: 252: 243: 228: 111: 39: 28: 23: 22: 15: 12: 11: 5: 2315: 2305: 2304: 2299: 2282: 2281: 2279: 2278: 2267: 2264: 2263: 2261: 2260: 2255: 2250: 2245: 2244: 2243: 2233: 2227: 2225: 2223: 2222: 2221:Related topics 2219: 2215: 2212: 2211: 2209: 2208: 2203: 2198: 2193: 2188: 2182: 2180: 2176: 2175: 2173: 2172: 2170:Taxonomic rank 2167: 2162: 2156: 2151: 2146: 2145: 2144: 2143: 2142: 2137: 2132: 2122: 2112: 2111: 2110: 2105: 2100: 2095: 2090: 2088:Botanical name 2080: 2074: 2072: 2070:Plant taxonomy 2066: 2065: 2063: 2062: 2061: 2060: 2055: 2054: 2053: 2046:Megasporangium 2043: 2042: 2041: 2034:Microsporangia 2026: 2025: 2024: 2019: 2014: 2009: 1999: 1994: 1989: 1988: 1987: 1977: 1972: 1967: 1961: 1959: 1957: 1956: 1951: 1945: 1939: 1938: 1936: 1935: 1930: 1925: 1920: 1919: 1918: 1917: 1916: 1906: 1901: 1896: 1895: 1894: 1889: 1879: 1874: 1872:Cushion plants 1863: 1861: 1855: 1854: 1852: 1851: 1846: 1841: 1836: 1831: 1826: 1825: 1824: 1819: 1809: 1807:Plant hormones 1804: 1799: 1798: 1797: 1790:Photosynthesis 1787: 1782: 1777: 1772: 1767: 1761: 1759: 1751: 1750: 1747: 1746: 1744: 1743: 1738: 1733: 1728: 1723: 1718: 1713: 1707: 1705: 1701: 1700: 1698: 1697: 1692: 1687: 1682: 1677: 1676: 1675: 1670: 1665: 1655: 1654: 1653: 1648: 1643: 1638: 1628: 1623: 1622: 1621: 1620: 1619: 1614: 1609: 1608: 1607: 1602: 1582: 1577: 1572: 1571: 1570: 1569: 1568: 1563: 1553: 1548: 1543: 1538: 1533: 1523: 1522: 1521: 1516: 1511: 1509:Floral formula 1506: 1504:Floral diagram 1501: 1496: 1486: 1485: 1484: 1479: 1474: 1473: 1472: 1467: 1457: 1447: 1442: 1436: 1434: 1433:(incl. Flower) 1426: 1425: 1423: 1422: 1421: 1420: 1415: 1410: 1409: 1408: 1403: 1393: 1383: 1378: 1373: 1368: 1362: 1360: 1356: 1355: 1353: 1352: 1347: 1346: 1345: 1335: 1333:Storage organs 1330: 1325: 1324: 1323: 1313: 1307: 1305: 1299: 1298: 1296: 1295: 1290: 1285: 1280: 1275: 1269: 1267: 1258: 1256: 1255: 1241: 1235: 1234: 1232: 1231: 1226: 1221: 1219:Spermatophytes 1216: 1211: 1206: 1201: 1196: 1191: 1189:Archaeplastida 1186: 1180: 1178: 1171: 1170: 1168: 1167: 1162: 1157: 1152: 1151: 1150: 1143:Phytogeography 1140: 1138:Phytochemistry 1135: 1130: 1125: 1120: 1115: 1110: 1105: 1099: 1097: 1095:Subdisciplines 1091: 1090: 1088: 1087: 1082: 1076: 1073: 1072: 1065: 1064: 1057: 1050: 1042: 1034: 1033: 1015: 1004:Richard Lynch 997: 972: 941: 926: 902: 851: 844: 826: 810: 781: 765:Dictionary.com 751: 750: 748: 745: 744: 743: 738: 733: 728: 721: 718: 702:Amaryllidaceae 642: 639: 595: 592: 517:subtending an 496: 493: 476: 473: 472: 471: 462: 455: 453: 444: 437: 435: 426: 419: 417: 408: 401: 399: 390: 383: 381: 372:Cornus florida 369: 362: 360: 355:Cornus florida 348: 341: 339: 326: 319: 317: 308: 301: 299: 287: 280: 278: 271: 264: 262: 253: 246: 244: 229: 222: 110: 107: 26: 9: 6: 4: 3: 2: 2314: 2303: 2300: 2298: 2295: 2294: 2292: 2277: 2269: 2268: 2265: 2259: 2256: 2254: 2251: 2249: 2246: 2242: 2239: 2238: 2237: 2234: 2232: 2229: 2228: 2226: 2220: 2217: 2216: 2213: 2207: 2206:Phytochemical 2204: 2202: 2199: 2197: 2194: 2192: 2189: 2187: 2184: 2183: 2181: 2177: 2171: 2168: 2166: 2163: 2160: 2157: 2155: 2152: 2150: 2147: 2141: 2138: 2136: 2133: 2131: 2128: 2127: 2126: 2123: 2121: 2118: 2117: 2116: 2113: 2109: 2106: 2104: 2101: 2099: 2096: 2094: 2091: 2089: 2086: 2085: 2084: 2081: 2079: 2076: 2075: 2073: 2071: 2067: 2059: 2056: 2052: 2049: 2048: 2047: 2044: 2040: 2037: 2036: 2035: 2032: 2031: 2030: 2027: 2023: 2020: 2018: 2015: 2013: 2010: 2008: 2005: 2004: 2003: 2000: 1998: 1995: 1993: 1990: 1986: 1983: 1982: 1981: 1978: 1976: 1973: 1971: 1968: 1966: 1963: 1962: 1960: 1955: 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Index

Spathe
Peridium
Sorus

Rhinanthus minor
botany
leaf
flower
inflorescence
cone scale
sepals
perianth
Euphorbia pulcherrima
Bougainvillea
grasses
chaff
cereal
threshing
winnowing
Marcgravia evenia
pedicel
peduncle
Euphorbia
conifers
Pseudotsuga
Bright yellow bracts of Castilleja levisecta are more tightly pressed against the stem than bracts of other Castilleja species.
Castilleja levisecta
Castilleja
Bracts of Bougainvillea glabra, differ in colour from the non-bract leaves, and attract pollinators.
Bougainvillea glabra

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