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团花杜鹃 tuanhuadujuan
Synonyms:
Rhododendron heptamerum Balf. f.
Rhododendron gymnogynum Balf. f. et Forrest
Rhododendron persicinum Hand.-Mazz. more...

被子植物门 Angiospermae
双子叶植物纲 Dicotyledoneae
合瓣花亚纲 Sympetalae
杜鹃花目 Ericales
杜鹃花科 Ericaceae
杜鹃属 Rhododendron
相关名称 Common Names
拉丁名
Rhododendron anthosphaerum Diels.
中文名
团花杜鹃
拼音
tuanhuadujuan
异名
Rhododendron heptamerum Balf. f.
Rhododendron gymnogynum Balf. f. et Forrest
Rhododendron persicinum Hand.-Mazz.
Rhododendron chawchiense Balf. f. et Farrer
Rhododendron eritimum I. B. Balfour et W. W. Sm.
Rhododendron hylothreptum I. B. Balfour et W. W. Sm.
Rhododendron anthosphaerum Diels. var. eritimum (I. B. Balfour et W. W. Sm.) Davidian
Rhododendron anthosphaerum Diels. subhylothreptum (I. B. Balfour et W. W. Sm.) Tagg
Rhododendron eritimum I. B. Balfour et W. W. Sm. subgymnogynum (I. B. Balfour et Forrest) Tagg
Rhododendron eritimum I. B. Balfour et W. W. Sm. subchawchiense (I. B. Balfour et Farrer) Tagg
Rhododendron eritimum I. B. Balfour et W. W. Sm. subpersicinum (Hand.-Mazz.) Tagg
Rhododendron eritimum I. B. Balfour et W. W. Sm. subheptamerum (I. B. Balfour) Tagg
文献 Literature
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描述 Description
常绿灌木或小乔木,高达9米。叶簇生枝顶,薄革质,矩圆状披针形至披针形,长8一11厘米,宽2-3.5厘米,顶端有短尖头,成长后颇无毛,下面干后暗黄褐色,有极少分散的腺体和乳头突起的粗粒状表皮,边缘有狭软骨质,微粗糙。花多达12朵密集成团,总轴长1厘米,有红色毛;花梗长1.5厘米,有疏腺体或丛卷毛至无毛;花-mar7退化成肉质浅杯状,呈波状边缘,有腺状柔毛;花冠钟状,5-7裂,长4-5厘米,口径等大,鲜深蔷薇色,向裂片色较浅,基部背面有1紫黑色珊;雄蕊10-14,花丝下部深红色,无毛或中部以下有密柔毛;子房绿色,无毛,花柱淡绿色,无毛。 产云南西北部。生松林中。
中国高等植物图鉴

86.团花杜鹃(中国高等植物图鉴)

Rhododendron anthosphaerum Diels in Not. Bot. Gard. Edinb. 5: 215. 1912; Balf. f. in Trans. Bot. Soc. Edinb. 27: 181. 1917; Stapf in Curtis's Bot. Mag. 151: t. 9083. 1926; Tagg in Stevenson, Spec. Rhodod. 337. 1930;中国高等植物图鉴3: 116. 图4186. 1974; Cullen et Chamb. in Not. Bot. Gard. Edinb. 36: 117. 1978; Chamb. in Not. Bot. Gard. Edinb. 39:303. 1982; 西藏植物志3: 602. 1986;云南植物志4: 368, 图版100:1-4. 1986.——R. eritimum Balf. f. et W. W. Smith in Trans. Bot. Soc. Edinb. 27: 190. 1917; Tagg in ibid. 342. 1930; Hand. -Mazz. Symb. Sin. 7: 780. 1936.——R. hylothreptum Balf. f. et W. W. Smith in ibid. 27: 195. 1917. ——R. gymnogynum Balf. f. et Forrest in Not. Bot. Gard. Edinb. 13: 47. 1920.——R. heptamerum Balf. f. in Not. Bot. Gard. Edinb. 13: 48. 1920. ——R. chawchiense Balf. f. et Farrer in Not. Bot. Gard. Edinb. 13:247. 1922. ——R. persicinum Hand. -Mazz. in Anz Akad. Wiss. Wien, 60: 97. 1924. ——R. anthosphaerum Diels subsp. hylothreptum (Balf. f. et W. W. Smith) Tagg in ibid. 337. 1930.——R. eritimum Balf. f. et W. W. Smith subsp. chawchiense (Balf. f. et Farrer) Tagg in ibid. 343. 1930. ——R. eritimum Balf. f. et W. W. Smith subsp. gymnogynum (Balf. f. et Forrest) Tagg in ibid. 343. 1930.——R. eritimum Balf. f. et W. W. Smith subsp. heptamerum (Balf. f.) Tagg in ibid. 343. 1930. ——R. eritimum Balf. f. et W. W. Smith subsp. persicinum (Hand. -Mazz.) Tagg in ibid. 343. 1930.

灌木或小乔木,高约2-7米;幼枝粗壮,无毛,有明显的叶痕而表面粗糙,老枝灰白色。叶多密生于枝顶,薄革质而细嫩,椭圆状倒披针形或长椭圆形,长8-14厘米,宽2.5-3.5厘米,先端钝尖,有小尖头,基部楔形,边缘微向下反卷,上面嫩绿色,平坦,微有乳头状突起,下面灰白色,两面无毛,中脉在上面下陷有浅沟纹,在下面显著隆起,侧脉17-24对,在两面均不明显;叶柄长约1-2厘米,上面平坦有沟槽,下面圆柱状,无毛。总状伞形花序,有花8-10朵;总轴长5-10毫米,有淡黄色丛卷毛;花梗细长,长约1厘米,被疏柔毛或近于无毛;花萼小,近于盘状,有6-7齿裂,裂片长约1毫米,无毛;花冠管状钟形,长约3-3.5厘米,淡玫瑰色至深玫瑰色,基部有紫红色的斑块,5-7裂,裂片近于圆形,长约1厘米,宽约1-1.5厘米,顶端有凹缺;雄蕊13-14,花丝细瘦,长约1.5-2.5厘米,不等长,无毛,花药长圆形;子房圆柱状,长约5毫米,直径约2.5毫米,无毛,花柱长约2.5厘米,与花冠近等长,无毛,柱头不膨大。蒴果圆柱状,长1.5-2.5厘米,粗约6-8毫米,无毛,成熟后顶端7-8裂。花期4-5月,果期7-10月。

产四川西南部、云南西部和西北部、西藏东南部。生于海拔2000-3500米的山坡、沟边灌木丛中和针阔叶混交林下。缅甸东北部也有分布。模式标本采自云南鹤庆。

本种叶薄革质而且质地细嫩,椭圆状倒披针形或长椭圆形;花的各部均无毛,花冠管状钟形,玫瑰色,5-7裂,易于同其它各种相区别。

知识共享:署名-非商业性使用-禁止演绎 1994《中国植物志》第57(2)卷 118页 PDF

Shrubs or small trees, 2–7 m tall; young branches stout, glabrous. Leaf blade thinly leathery or leathery, elliptic-oblanceolate or long-elliptic, 8–14 × 2.5–3.5 cm; base cuneate; margin revolute; apex acuminate to acute, apiculate; abaxial surface pale, thinly clad with scattered hairs; midrib prominent; lateral veins 17–24-paired. Inflorescence racemose-umbellate, 8–10-flowered; rachis 5–10 mm, floccose. Pedicel 1–1.5 cm, sparsely rufous-tomentose or glabrescent; calyx cupular, lobes 6 or 7, ca. 1 mm; corolla tubular-campanulate, rose-magenta or crimson to magenta-blue, with a basal black-crimson blotch, 3–3.5 cm, nectar pouches present; lobes 6 or 7, suborbicular, ca. 1 × 1–1.5 cm, emarginate, crenate; stamens 13–14, unequal, 1.5–2.5 cm, filaments slender, glabrous or puberulent at base; ovary cylindric, ca. 5 × 2.5 mm, glabrous; style as long as corolla, glabrous, stigma small. Capsule 15–25 × 6–8 mm, glabrous, 7–8-lobed at apex when dry. Fl. Apr–May, fr. Jul–Aug.

Mixed Pinus-broad-leaved forests, open slopes; 2000–3500 m. SW Sichuan, SE Xizang, NW Yunnan [NE Myanmar].

知识共享:署名-非商业性使用-禁止演绎 FOC Vol.14PDF
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