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FOC | Family List | FOC Vol. 8 | Brassicaceae | Dontostemon

10. Dontostemon glandulosus (Karelin & Kirilov) O. E. Schulz, Notizbl. Bot. Gart. Berlin-Dahlem. 10: 554. 1930.

腺花旗杆 xian hua qi gan

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].


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