檢視阔瓣天料木的原始碼

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中文名:阔瓣天料木

拉丁学名:Homalium 

kainantense Masam.

界:植物界

门:被子植物门

纲:双子叶植物纲

目:无患子目

科:[[天料木科]]

属:[[天料木属]]

种:阔瓣天料木

是否中国特有:是

是否引种栽培:非人工引种栽培

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'''阔瓣天料木'''(kuò bàn tiān liào mù， 学名 '''Homalium kainantense''' Masamune俗名：短萼天料木异名：Homalium brevisepalum  )，是[[大风子科]]、[[天料木属]]乔木植物，脉纹明显，先端圆钝，边缘有睫毛；雄蕊着生于花瓣上，长于花瓣或近等长，花丝下部有毛；产自[[海南]]（[[崖县]]和[[陵水]]）。生于低海拔的杂木林中。 
<ref>[http://www.iplant.cn/info/%C0%AB%B0%EA%CC%EC%C1%CF%C4%BE 阔瓣天料木], 植物智, 2020-01-18</ref>

==阔瓣天料木形态特征==

乔木，高10-12米。小枝圆柱形，紫褐色或暗褐色，无毛；二年生枝条有明显圆形皮孔。

叶纸质或近革质，椭圆长圆形或倒卵状椭圆形，长（4-) 7.5-10 (-13)厘米，宽4-6厘米，先端圆钝或短渐尖，基部楔形至宽楔形，边缘具疏圆钝锯齿，在下面齿端处有圆形而下陷的腺体，两面无毛，中脉和侧脉在上面平坦，在下面突起，侧脉6-7对，网脉不明显；叶柄极短，粗壮，长约1.5毫米，偶达3毫米。
[[File:阔瓣天料木2.jpg|缩略图|左|250px|[http://2019img.cvh.ac.cn/imgcvh/l/IBSC/0230563.jpg 原图链接] [http://2019.cvh.ac.cn/spm/IBSC/0230563 来自植物标本馆]]]

花白色，多数，2-4朵簇生排成总状，总状花序腋生，长7-12厘米，幼时密被短柔毛，以后脱落减少；花梗纤细，长约3毫米，被短柔毛，靠近花萼处有节；花直径约12毫米；萼筒狭陀螺状，长3-4毫米，微被柔毛；

[[File:阔瓣天料木3.jpg|缩略图|左|250px|[http://2019img.cvh.ac.cn/imgcvh/l/IBK/IBK00173781.jpg 原图链接] [http://2019.cvh.ac.cn/spm/IBK/IBK00173781 来自植物标本馆]]]

萼片线状披针形，长约5毫米，宽约0.4毫米，结果时倍之，先端钝或急尖，边缘有睫毛；花瓣匙形，长7-8毫米，宽约2.5毫米，脉纹明显，先端圆钝，边缘有睫毛；

雄蕊着生于花瓣上，长于花瓣或近等长，花丝下部有毛；花盘腺体6-7，腺体陀螺状，顶端平，稍有毛；子房有毛，花柱3，比雄蕊稍长，下部有毛；侧膜胎座3，每个胎座上有倒生胚珠2-3个。

蒴果倒圆锥形，种子6-9颗或较少。花期8-12月，果期9月至次年春天。 <ref>《中国植物志》 第52(1)卷 (1999) >> 027页 PDF >> 阔瓣天料木 Homalium kainantense </ref>

Homalium kainantense Masamune in Trans. Nat. Hist. Soc. Taiwan 33: 169. 1943; How et Ko in Acta Bot. Sin. 8 (1): 38. 1959; 海南植物志1: 460. 1964; S. S. Fan in Journ. Wuhan Bot. Res. 8 (2): 138. 1990; 广东植物志2: 113. 1991.

Trees, 10-12 m tall; branchlets purple-brown or black-brown, terete, twig tips at first minutely whitish puberulous (view at × 10 mag.), glabrescent. Stipules linear-oblong, to ca. 4 mm, papery, minutely puberulous, early caducous; petiole very short, ca. 1.5 mm, rarely to 3 mm, stout, very sparsely puberulous; leaf blade elliptic, oblong-elliptic, or obovate-elliptic, 7-13 × 4-6 cm, papery or subleathery, both surfaces initially densely and minutely puberulous (almost imperceptibly, view at × 20 mag.) with spreading hairs, becoming glabrous or with a few minute hairs remaining along veins (view at × 20 mag.), midvein and lateral veins raised abaxially, flat adaxially, lateral veins 6 or 7 pairs, reticulate veins inconspicuous, base acute, cuneate, margin serrate, teeth obtuse, apex broadly acute to obtuse, contracting to an acumen 5-10 mm. Inflorescence axillary, racemelike, 7-12 cm, sometimes with very short branches less than 5 mm; rachis pubescent, hairs spreading, whitish, short; bracts not seen. Pedicels ca. 3 mm, articulate near apex, pubescent, hairs spreading, short. Flowers numerous, 2-4-fasciculate along rachis, white, 5-7-merous, ca. 1.2 cm in diam., fragrant. Calyx tube narrowly obconic, 3-4 mm, sparsely puberulous, hairs whitish, semiappressed, short; sepals linear-lanceolate, 1.5-2 mm, outside sparsely pubescent, hairs appressed and short, margin ciliate with short (0.1-0.2 mm) appressed hairs, apex acute or obtuse. Petals ca. 5 × 2-3 mm, broadly spatulate, conspicuously veined, outside glabrous, inside with a few semispreading short hairs toward base, margin ciliate, hairs spreading and short (ca. 0.2 mm), apex obtuse. Disk glands ca. 1 mm wide, sides sparsely hairy, apex flat, glabrous. Stamen filaments ca. 6 mm, longer than or equal to petals, with a few hairs scattered in lower part. Free part of ovary sparsely hairy, hairs spreading, whitish, short (ca. 0.2 mm); styles 3, free nearly to base, ca. 4 mm, hairy in lower part, hairs as for ovary; placentas 3, each with 2 or 3 ovules. Capsules (not seen) probably 6-8 mm. Fl. Aug-Dec, fr. Sep-Mar of following year.

==阔瓣天料木生长环境==
生长于低海拔的杂木林中。 
==阔瓣天料木分布范围==
产自[[海南]]（[[崖县]]和[[陵水]]）。 
==阔瓣天料木分类学==
阔瓣天料木，拉丁文名：Homalium kainantense Masam.植物界；被子植物门；双子叶植物纲；侧膜胎座目；大风子科；天料木属；阔瓣天料木种。 

== 参考来源 ==
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[[Category:370 植物學總論]]