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FOC | Family List | FOC Vol. 8 | Brassicaceae

21. Hornungia Reichenbach, Deutschl. Fl. 1: 33. 1837.

薄果荠属 bao guo ji shu

Hutchinsia R. Brown; Hutchinsiella O. E. Schulz; Hymenolobus Nuttall ex Torrey & A. Gray; Pritzelago Kuntze.

Herbs perennial with a branched caudex, or annual. Trichomes absent or minutely branched and subsessile mixed with simple ones. Stems erect, ascending, decumbent, or procumbent. Basal leaves rosulate or not, pinnatisect, sometimes dentate or entire. Cauline leaves petiolate, base cuneate or attenuate, pinnatisect, pinnatifid, dentate, or entire, or absent. Racemes few to many flowered, ebracteate. Fruiting pedicels divaricate. Sepals ovate or oblong, spreading or reflexed, glabrous or puberulent, base of lateral pair not saccate. Petals white, spreading, longer or shorter than sepals; blade obovate, oblong, or oblanceolate, apex obtuse or rounded; claw absent. Stamens 6 and subtetradynamous, rarely 4, erect or slightly spreading; filaments often dilated at base; anthers ovate, obtuse at apex. Median glands present or absent; lateral glands 1 on each side of lateral stamen. Ovules 4-20 per ovary. Fruit dehiscent silicles, oblong, ovate, suborbicular, elliptic, or lanceolate, angustiseptate, sessile; valves with a prominent midvein, glabrous, keeled; replum rounded; septum complete; style obsolete or rarely to 0.5 mm; stigma capitate, entire. Seeds biseriate or aseriate when few, wingless, oblong, plump; seed coat obscurely reticulate, mucilaginous or not when wetted; cotyledons incumbent or rarely accumbent.

Three species: Europe, one species extending into Asia and North America and naturalized elsewhere.

Lower Taxon


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