红紫糖芥 hong zi tang jie

Cheiranthus roseus Maximowicz, Fl. Tangut. 57. 1889; C. roseus var. glabrescens Danguy; Erysimum limprichtii O. E. Schulz.

Herbs perennial, (6-)10-28(-36) cm tall; caudex few branched, covered with petiolar remains of previous years. Trichomes malpighiaceous, rarely a few 3-fid ones on leaves adaxially. Stems single from base, leafy. Basal leaves rosulate; petiole (0.5-)1-4.5(-7) cm; leaf blade oblong, oblong-obovate, oblanceolate-linear, or linear, (0.6-)1.5-7(-10) cm × (1.5-)2.5-8(-10) mm, base attenuate, margin entire or denticulate, apex acute or obtuse. Upper cauline leaves subsessile, entire, similar to basal ones in size. Racemes corymbose, elongated in fruit, only lowermost flowers bracteate. Fruiting pedicels divaricate, (3-)4-10(-12) mm, stout, narrower than fruit, straight. Sepals oblong-linear, 6-9 × 1.5-2 mm, often persistent to early fruit maturity, lateral pair strongly saccate. Petals pink or purple, broadly obovate or broadly spatulate, (1.4-)1.6-2.2(-2.5) cm × (3-)4-6(-8) mm; claw longer than sepals. Filaments 6-8 mm; anthers oblong, 1.5-2.5 mm. Ovules 18-26 per ovary. Fruit linear or rarely linear-oblong, 4-angled, (1-)1.5-3(-4) cm × 2-2.5 mm, not torulose, slightly curved; valves not keeled, with a distinct midvein, outside with malpighiaceous trichomes, inside glabrous; style (0.5-)1-2 mm; stigma capitate, prominently 2-lobed. Seeds oblong, 1.5-2.5 × 0.8-1 mm, on slender funicles to 4 mm. Fl. May-Jul, fr. Jul-Sep.

* Rocky schist cliffs, alpine meadows, limestone scree; 3200-4900 m. Gansu, Qinghai, Sichuan, Xizang, Yunnan.

Although Erysimum limprichtii was described from Xizang, it was not listed in FRPS or Fl. Xizang. (vol. 2. 1985). Its type collection is indistinguishable in every aspect from that of E. roseum. The above first record of E. roseum from Yunnan is based on Aldén et al. 470 (E).