少花扇葉芥
| 少花扇葉芥 |
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中文名:少花扇葉芥 學 名:Desideria stewartii (T. Anderson) Al-Shehbaz 界:植物界 門:被子植物門 綱:雙子葉植物綱 亞 綱:原始花被亞綱 目:罌粟目 科:十字花科 屬:高原芥屬 種:少花扇葉芥 |
少花扇葉芥（shǎo huā shàn yè jiè，學名：Desideria stewartii (T. Anderson) Al-Shehbaz）是十字花科、高原芥屬植物。多年生草本，高可達8厘米，基生葉蓮座狀，葉片匙形。 [1]
目錄
少花扇葉芥形態特徵
多年生草本，高3-5（-8）厘米，除長角果外全株被毛。莖伸展或近伸展。基生葉蓮座狀，近肉質，葉片匙形，長1-3厘米，寬5-10毫米，全緣或有5-10個鈍圓齒，被白色長單毛與分枝毛。
總狀花序有花8-15朵，有苞葉，果期可長達6厘米；萼片長約2.5毫米；花瓣長約5毫米。長角果條形，長25-40毫米，寬2.5-3.5毫米，壓扁，無毛，花柱無或近無，柱頭壓扁，2淺裂；果梗長約6毫米，上升或偏向1側。種子多數，長約1.5毫米。
Christolea stewartii (T. Anders.) Jafri in Not. Roy. Bot. Gard. Edinb. 22 (1): fig. 1. E. 1955 et Fl. West Pakist. 55: 157. 1973. ——Cheiranthus stewartii T. Anders. in Hook. f. Fl. Brit. Ind. 1: 132. 1872. ——Ermania stewartii (T. Adders.) O. E. Schulz in Engl. Bot. Jahrb. 66: 98. 1933. ——Oreoblastus stewartii (T. Anders.) Suslova in Бот. Жур. СССР 57: 653. 1972.
Cheiranthus stewartii T. Anderson in J. D. Hooker, Fl. Brit. India 1: 132. 1872; Christolea stewartii (T. Anderson) Jafri; Ermania stewartii (T. Anderson) O. E. Schulz; Oreoblastus stewartii (T. Anderson) Suslova.
Plants 8-20 cm tall, densely pilose. Trichomes stalked, forked, rarely some simple near stem base. Stems simple, pilose or glabrous. Basal leaves subfleshy, pilose, persistent; petiole 2-10 mm, not ciliate; leaf blade broadly obovate or spatulate, 2-15 × 2-10 mm, base cuneate or attenuate, margin 3-5-toothed or entire, apex acute. Cauline leaves similar to basal or linear to lanceolate, often entire. Racemes 8-15-flowered, bracteate throughout; bracts similar to cauline leaves but smaller, often adnate to pedicel. Fruiting pedicels ascending, straight or slightly curved, 4-12 mm, pilose. Flowers not seen. Ovules 14-24 per ovary. Fruit lanceolate to lanceolate-linear, 1.7-3.5 cm × 3-5 mm, strongly flattened; valves pilose or glabrous, distinctly veined; septum complete, membranous; style obsolete; stigma 2-lobed. Seeds brown, ovate, 1.4-2.2 × 0.8-1.1 mm, biseriate, minutely reticulate. Fr. Aug.
Scree slopes; 4100-5300. Xizang [India, Kashmir].