《中国植物志》|| 十字花科 CRUCIFERAE ||独行菜族 Trib. Lepidieae DC. ||蛇头荠属 Dipoma Franch.

24. 蛇头荠属*——Dipoma Franch.
Franch. in Bull. Soc. Bot. France 33: 404. 1886 et Pl. Delav. 63. t. 17A. 1889; O. E. Schulz in Engl. et Prantl, Nat. Pflanzenfam. 2. Aufl. 17b: 459. 1936.
多年生草本；根茎细，匍匐有分枝；茎多数，具单毛。基生叶莲座状，匙状卵形，全缘或上部有数个粗锯齿，无毛但有缘毛。具叶柄。总状花序花疏生，果期延长；花大；花梗短，有糙硬毛；萼片直立，卵形，具膜质边缘，基部不成囊状；花瓣白色，具紫色细纹，圆形，顶端凹缺；侧蜜腺半圆形，无中蜜腺；子房具4-6垂生胚珠，柱头头状，凹陷，不显明2裂，花柱短。短角果短卵形，压扁，开裂，果瓣膜质，凸出，有龙骨突起及细脉，隔膜宽。种子大，卵形，压扁，无边缘；子叶缘倚胚根。
2种、1变种、1变型，产我国西南部高山及甘肃。
本属模式种：蛇头荠 Dipoma iberideum Franch.

《云南植物志》|| 十字花科 Cruciferae nom. conserv. ||十字花科 Cruciferae nom. conserv. ||蛇头荠属 Dipoma Franch.

11.蛇头荠属 Dipoma Franch.
多年生草本；根茎匍匐。茎矮小，外倾，不分枝或上部分枝。基生叶莲座状，茎生叶均匀排列，卵形、长圆状倒卵形至倒卵形或倒披针形，全缘或上部边缘每侧有1齿，无毛或有单毛及分叉毛，具短柄。总状花序顶生，多花，无苞片；花白色；萼片直立，卵形；花瓣宽倒卵形，先端凹陷，基部具短爪；花柱短，柱头稍2裂。短角果宽菱形，侧扁，开裂，果瓣具龙骨状突起及细脉；果梗外折且扭转；种子1枚，大，卵形，扁压，无边缘；子叶缘倚胚根。
2种1变种及1变型，产我国甘肃、四川、西藏、云南高山地区；云南有1种。

《Flora of China》|| Brassicaceae || ||蛇头荠属 Dipoma

23. Dipoma Franchet, Bull. Soc. Bot. France. 33: 404. 1886.

蛇头荠属 she tou ji shu

Herbs perennial, rhizomatous. Trichomes a mixture of simple and short-stalked, submalpighiaceous. Stems decumbent or ascending. Basal leaves rosulate, simple, entire or distally 3-5-lobed. Cauline leaves sessile and attenuate at base, entire, apically dentate. Racemes several flowered, bracteate. Fruiting pedicels ascending or divaricate at base, strongly recurved and often forming a loop. Sepals oblong, spreading, glabrous or pubescent, base of lateral pair not saccate. Petals white, sometimes with pink veins, much longer than sepals; blade broadly obcordate to orbicular, apex emarginate or rarely subrounded; claw short, well differentiated from blade. Stamens 6, erect, subequal; filaments not dilated at base; anthers ovate to suboblong, obtuse at apex. Median glands absent; lateral glands 1 on each side of lateral stamen. Ovules 4 per ovary. Fruit dehiscent silicles, oblong or ovoid, terete or slightly angustiseptate, sessile; valves membranous, sparsely to densely hirsute with subsetose trichomes, rarely glabrous, rounded, smooth, wingless or with small appendages; replum strongly flattened and to 1 mm wide; septum complete; style conical; stigma capitate, entire. Seeds wingless, oblong, flattened; seed coat minutely reticulate, not mucilaginous when wetted; cotyledons accumbent.

* One species.