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毛花轴榈 |
中文名:毛花轴桐 别 名:针叶轴榈、毛花轴榈 界:植物界 门:被子植物门 Angiospermae 纲:单子叶植物纲 Monocotyledoneae 目:初生目 Principes 科:棕榈科 Palmae 亚 科:贝叶棕亚科 Coryphoideae 族:贝叶棕族 CORYPHEAE 亚 族:蒲葵亚族 LIVISTONINAE 属:轴榈属 Licuala 种:毛花轴桐 中文学名:Licuala dasyantha Burret |
毛花轴桐(máo huā zhóu lǘ),学名 Licuala dasyantha Burret ,俗名:花叶轴榈、花叶拉诺棕,灌木状,高1~2米,直径2~3厘米。叶片呈2/3圆形,蓝绿色,折叠状,深裂达基部成7~9个楔形裂片,有多条直达顶端的肋脉,横脉细,波状。分布区域:中国广西、云南。 [1]
毛花轴桐形态特征
灌木状,高1-2米,直径2-3厘米。叶片呈2/3圆形,蓝绿色,折叠状,深裂达基部成7-9个楔形裂片,有多条直达顶端的肋脉,横脉细,波状;
中央的裂片长达45厘米,先端宽达50厘米,截形,具微缺,约有25条直达顶端的肋脉,其余裂片斜截,较短和较狭,先端具较深的缺刻,最边缘的裂片明显地变短而狭,呈斜楔形,长约25厘米,顶部宽约5厘米;
叶柄长约60厘米,基部两侧有稀疏短刺,背面被褐色鳞秕。花序具2个小穗状花序,花序梗长4-10厘米,由1个或2个佛焰苞包着,佛焰苞外面密被深褐色鳞秕,小穗状花序长8-14厘米;
小穗轴粗壮,呈圆柱状,直径4-4.5毫米,花序轴及花均密被深褐色的鳞毛,花成8-10直列着生于小穗轴周围的短小瘤突上,每朵花为1披针形的苞片所衬托;
花萼浅3裂,密被深褐色鳞毛,花冠稍长于花萼,具条纹脉。果实未见。花期4-5月。
Stems solitary or clustered, to 1.5 m tall, to 6 cm in diam., sometimes short and subterranean. Leaf sheaths 12-20 cm, extended above petioles into 6-15 cm ocreas; petioles 15-100 cm, unarmed or proximal ca. half with widely spaced, recurved, brown spines to 0.5 cm;
blades 30-107 cm wide, split into 5-8(-13) segments, mottled light and dark green, with straight sides; middle segment wider than others, deeply split into 2 lobes, these 16-58 cm, 13-30 cm wide at apices, costa terminating in a glandlike structure abaxially at base of split.
Plants dioecious. Inflorescences 40-70 cm, erect at first, later pendulous below crown; rachis 0-12 cm, with 1 (rarely 2) partial inflorescences, these branched to 1 order; male rachillae 2-7, 9-14 cm; female rachillae 1-4, 8-24 cm; male flowers borne in clusters, female flowers solitary. Fruits ovoid-globose, slightly 3-sided, 0.9-1.5 × 0.7-1.1 cm, red at maturity, with reflexed perianth.
分类文献
《中国植物志》 第13(1)卷 (1991) >> 032页 PDF >> 毛花轴榈 Licuala dasyantha 3. 毛花轴榈(新拟) 图版7:7-8
Licuala dasyantha Burret in Notizbl. Bot. Gart. Berlin 15: 334. 1941.
毛花轴桐产地生境
产广西西南部和云南东南部。模式标本采自广西。