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FOC | Family List | FOC Vol. 8 | Brassicaceae

52. Olimarabidopsis Al-Shehbaz et al., Novon. 9: 302. 1999.

无苞芥属 wu bao jie shu

Herbs annual. Trichomes short-stalked or sessile, malpighiaceous and 3- or 4-rayed stellate. Stems erect or ascending. Basal leaves petiolate, not rosulate, simple, entire or rarely pinnatisect. Cauline leaves sessile, auriculate, entire or dentate. Racemes few to several flowered, ebracteate. Fruiting pedicels ascending, divaricate, or reflexed. Sepals oblong, erect, glabrous or pubescent, base of lateral pair not saccate. Petals yellow or yellowish white, slightly longer than sepals; blade oblanceolate, apex obtuse; claw absent. Stamens 6, slightly tetradynamous, rarely 4; filaments not dilated at base; anthers oblong, apex obtuse. Nectar glands confluent and subtending bases of all stamens. Ovules 18-60 per ovary. Fruit dehiscent siliques, linear, terete, sessile; valves with a distinct midvein, pubescent with submalpighiaceous and/or short-stalked, stellate trichomes, smooth; replum rounded; septum complete, perforated, or reduced to a rim; style obsolete or to 1 mm; stigma capitate, entire. Seeds uniseriate, wingless, oblong, plump; seed coat reticulate, slightly mucilaginous or not mucilaginous when wetted; cotyledons incumbent.

Three species: C and SW Asia, E Europe; two species in China.

1 Septum complete; fruit 1.5-3.2(-4) cm; seeds (15-)20-40(-60) per fruit   1 O. pumila
+ Septum perforate or reduced to a rim; fruit 0.4-1(-1.5) cm; seeds 5-18(-20) per fruit   2 O. cabulica

Lower Taxa


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