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旱生南星
,無編輯摘要
肉穗花序单性,雄花序圆柱形,长1.5厘米,粗2毫米,花疏,雄花具短柄,花药2,药室圆球形,顶孔圆形;附属器纤细,无柄,线形,粗不及1毫米,长10-14厘米,由喉部水平外伸,然后下垂。花期6月。 <ref>[https://baijiahao.baidu.com/s?id=1603559704905578325&wfr=spider&for=pc 常见植物知识普及——旱生南星] 2018年6月18日 旱生南星,拉丁名为Arisaema aridum,属于被子植物门(Angiospermae)、单子叶植物纲(Monocotyledoneae)、天南星目(Arales)、天南星科(Araceae)、天南星族(Trib Areae)... </ref>
==分类文献==
Arisaema aridum H. Li, 植物分类学报15 (2): 107, 图版9: 4. 1977.
Arisaema yunnanense Buchet var. aridum (H. Li) Gusman & L. Gusman.
Plants dioecious. Tuber nearly globose, 1-3 cm in diam. Cataphylls 2 or 3, to 17 cm. Leaves 1 or 2; petiole green, unmarked, 16-50 cm, proximal 1/4-1/2 sheathing into pseudostem; leaf blade pedate; leaflets 5-9, pale greenish abaxially, green adaxially, linear to narrowly lanceolate, sessile; central leaflet 15-20 × 1-1.5 cm; lateral leaflets gradually smaller and shorter toward outermost, outermost ones 2-3 cm × 1-5 mm.
Peduncle green, 10-50 cm, shorter or longer than petioles. Spathe yellowish green, 5-15 cm in total; tube narrowly cylindric, 2.2-6 cm × 4-20 mm, throat obliquely truncate, not recurved; limb suberect, ovate to narrowly ovate, 4-7 × 1-2 cm, apex acuminate.
Spadix unisexual; female zone 1.2-2.5 cm; ovary whitish green, obovoid; ovules 3; stigma with short stipe; male zone cylindric, 1.8-3 cm, densely flowered; synandria sessile, consisting of 2-4 anthers, each with 2 thecae dehiscing by apical pores. Appendix sessile, sigmoid or simply curved forward, yellowish green to violet, 4-17 cm × 2.5-4 mm. Fl. Apr-Jun.
● Grassy slopes, valley thickets along Jinsha Jiang; 1800-2800 m. NW Yunnan.
==旱生南星生长环境==