腺花旗杆檢視原始碼討論檢視歷史
| 腺花旗杆 |
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中文學名:腺花旗杆 拉丁學名:Dontostemon dentatus (Bunge) Lédeb. var. glandulosus Maxim.ex Franch.et Sav. 界:植物界 科:十字花科 屬:花旗杆屬 種:腺花旗杆 |
腺花旗杆(xiàn huā qí gān，學名 Dontostemon glandulosus (Karelin & Kirilov) O. E. Schulz，俗名：腺異蕊芥，異名：Dimorphostemon glandulosus Dontostemon dentatus var. glandulosus Stenophragma glandulosum Dimorphostemon sergievskianus Torularia glandulosa Torularia sergievskiana Sisymbrium glandulosum Neotorularia sergievskiana Alaida glandulosa Arabis glandulosa )，二年生草本，高15-50厘米，植株散生白色彎曲柔毛；莖單一或分枝，基部常帶紫色。 [1]
腺花旗杆形態特徵
葉橢圓狀披針形，長3-6厘米，寬3-12毫米，兩面稍具毛。
總狀花序生枝頂，結果時長10-20厘米；萼片橢圓形，長3-4.5毫米，寬1-1.5毫米，具白色膜質邊緣背面稍被毛；花瓣淡紫色，倒卵形，長6-10毫米，寬約3毫米，頂端鈍，基部具爪。
長角果長圓柱形，光滑無毛，長2.5-6厘米，宿存花柱短，頂端微凹。
種子棕色，長橢圓形，長1-1.3毫米，寬0.5-0.8毫米，具膜質邊緣；子葉斜緣倚胚根。
花期5-7月，果期7-8月。[2]
Dontostemon dentatus (Bunge) Ledeb. var. glandulosus Maxim. ex Franch. et Sav. Enum. Pl. Jap. 1: 37. 1875.
Arabis glandulosa Karelin & Kirilov, Bull. Soc. Imp. Naturalistes Moscou 15: 146. 1842; Alaida glandulosa (Karelin & Kirilov) Dvorák; Dimorphostemon glandulosus (Karelin & Kirilov) Golubkova; D. sergievskianus (Polozhij) S. V. Ovchinnikova; Neotorularia sergievskiana (Polozhij) Czerepanov; Sisymbrium glandulosum (Karelin & Kirilov) Maximowicz; Stenophragma glandulosum (Karelin & Kirilov) B. Fedtschenko; Torularia glandulosa (Karelin & Kirilov) Vassilczenko; T. sergievskiana Polozhij.
Herbs annual or biennial, (1.5-)5-20(-30) cm tall, glandular. Stems erect or ascending, simple or many branched basally. Basal and lowermost cauline leaves pubescent, with simple trichomes to 1.5 mm, glandular; petiole 2-10(-25) mm; leaf blade lanceolate or oblong, (0.3-)0.5-2.5(-4) cm × 2-10(-15) mm, base attenuate or cuneate, margin dentate or pinnatifid, ciliate, apex acute. Fruiting pedicels ascending or divaricate, 2-8(-12) mm, glandular. Sepals oblong, 1-2(-3) × 0.5-1 mm, sparsely pubescent apically or glabrous. Petals lavender or white, spatulate, 2-4(-4.5) × (0.5-)1-1.5(-2) mm, apex obtuse or subemarginate; claw to 1.5 mm. Filaments of median stamens 1.5-2.5 mm, free, gradually expanded to broad base, toothless; filament of lateral stamens 1-2 mm, slender; anthers broadly ovate, 0.2-0.4 mm, apiculate. Ovules 14-70 per ovary. Fruit (0.7-)1.3-3(-4) × 0.8-1.3 mm, straight, torulose, terete; valves glandular, with prominent midvein and marginal veins; style 0.5-1 mm; stigma slightly lobed. Seeds brown, ovate or oblong, 0.8-1.7 × 0.5-0.8 mm, not margined distally; cotyledons obliquely accumbent or obliquely incumbent. Fl. and fr. Jun-Aug.
Alpine meadows and steppe, sandy river banks, rock crevices, gravelly plains, dry scrub, roadsides, scree slopes; 1900-5300 m. Gansu, Nei Mongol, Ningxia, Qinghai, Sichuan, Xinjiang, Xizang, Yunnan [Kashmir, Kazakhstan, Nepal, Russia, Sikkim, Tajikistan].
本變種主要特徵是花較大；總花梗、花梗及萼片均被黃色乳頭狀腺毛 。
腺花旗杆生長環境
腺花旗杆生長于山坡路旁、林邊草地及荒地 。
腺花旗杆分布範圍
腺花旗杆主要價值
醫藥 全草及種子：利尿 。