爪哇木棉Ceiba pentandra

爪哇木棉Ceiba pentandra

爪哇木棉Ceiba pentandra

爪哇木棉Ceiba pentandra

爪哇木棉Ceiba pentandra


中文名(
Chinese Name):爪哇木棉
学名(Scientific Name):Ceiba pentandra (Linn.) Gaertn.
英文名(English Common Name):kapoktree
别名(Chinese Common Name):吉贝、美洲木棉
异名(Synonym):Eriodendron anfractuosum DC.;Ceiba caribaea (Dc.) A. Chev.;Bombax cumanense Kunth;Bombax guineense Schum. & Thonn.;Bombax guineensis Schumach.;Bombax inerme L.;Bombax mompoxense Kunth;Bombax occidentale Spreng.;Bombax orientale Spreng.;Ceiba anfractuosa (DC.) M.Gómez;Ceiba casearia Medik.;Ceiba guineensis var. ampla A. Chev.;Ceiba guineensis var. clausa A. Chev.;Ceiba guineensis (Thonn.) A.Chev.;Ceiba occidentalis (Spreng.) Burkill;Ceiba pendrandra f. grisea Ulbr.;Ceiba pentandra f. albolana Ulbr.;Ceiba pentandra f. grisea Ulbr.;Ceiba pentandra var. caribaea (DC.) Bakh.;Ceiba pentandra var. clausa Ulbr.;Ceiba pentandra var. dehiscens Ulbr.;Ceiba pentandra var. indica Bakhuisen;Ceiba thonnerii A. Chev.;Ceiba thonningii A.Chev.;Eriodendron anfractuosum var. guianense Sagot;Eriodendron anfractuosum var. indicum DC.;Eriodendron occidentale (Spreng.) G.Don;Eriodendron orientale Kostel.;Eriodendron pentandrum (L.) Kurz;Eriodendron anfractuosum var. africanum DC.;Eriodendron anfractuosum var. caribaeum DC.;Gossampinus alba Buch.-Ham.;Gossampinus rumphii Schott & Endl.;Xylon pentandrum Kuntze
科属(Family & Genus): 木棉科(Bombacaceae)吉贝属
形态特征(Description):落叶大乔木,板状根小或不存在,高达30米,有大而轮生的侧枝;幼枝平伸,有刺。小叶5-9,长圆披针形,短渐尖,基部渐尖,长5-16厘米,宽1.5-4.5厘米,全缘或近顶端有极疏细齿,两面均无毛,背面带白霜;叶柄长7-14厘米,比小叶长;小叶柄极短,长仅3-4毫米。花先叶或与叶同时开放,多数簇生于上部叶腋间,花梗长2.5-5厘米,无总梗,有时单生;萼高1.25-2厘米,内面无毛;花瓣倒卵状长圆形,长2.5-4厘米,外面密被白色长柔毛;雄蕊管上部花丝不等高分离,不等长,花药肾形;子房无毛,花柱长2.5-3.5厘米,柱头棒状,5浅裂。蒴果长圆形,向上渐狭,长7.5-15厘米,粗3-5厘米,果梗长7-25厘米,5裂,果爿内面密生丝状绵毛,种子圆形,种皮革质、平滑。花期3-4月。
分布(Distribution):产热带美洲,现亚洲及非洲广泛种植。
用途(Use):木材可作木箱、火柴梗等。
引自中国植物志英文版FOC Vol. 12 Page 301
Ceiba pentandra (Linnaeus) Gaertner, Fruct. Sem. Pl. 2: 244. 1791.
吉贝 ji bei| Bombacaceae  | Ceiba
Bombax pentandrum Linnaeus, Sp. Pl. 1: 511. 1753; Eriodendron anfractuosum Candolle.
Trees to 30 m tall; buttresses small or absent, trunk often sparsely spiny; main branches verticillate, spreading horizontally; young branches spiny. Petiole 7-14(-25) cm, longer than leaflet blade; leaflets 5-9, petiolules 3-4(-10) mm; blades oblong to lanceolate, 5-20 × 1.5-6.5 cm, thinly leathery, glabrous, base acuminate, margin entire or very sparsely and minutely toothed near apex, apex shortly acuminate. Flowers subterminal, solitary or in fascicles of up to 15, produced before or simultaneous with new leaves. Pedicel (1.8-)2.5-5 cm. Calyx (0.9-)1.2-2 cm, adaxially glabrous. Petals pink or white, obovate-oblong, 2.5-4 × 0.7-1.5 cm, abaxially densely white villous, adaxially glabrous. Filaments on staminal tube varying in length; anthers reniform. Ovary glabrous; style 2.5-3.5 cm; stigma rod-shaped, 5-lobed. Capsule oblong, tapering toward tip, 7.5-15(-26) × 3-5(-11) cm, fruiting pedicel 7-25 cm, endocarp leathery, smooth. Seeds globose, ca. 6 mm in diam. Fl. Mar-Apr.
Cultivated. Guangdong, Guangxi, Yunnan [native to tropical America and possibly West Africa; now pantropical, regarded as invasive on some Pacific islands].
This species is grown as a street tree and for the waterproof fibers surrounding the seeds (kapok).
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