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Sterigmostemum M. Bieb., Fl. Taur.-Cauc. 3: 444. 1819. Schulz in Engl. & Prantl, l.c. 573; Vas. in Kom., l.c. 317; Coode & Cullen in Davis, l.c. 464; Rech. f., l.c. 277.
Sterigma DC.Sterigmostemon Poir.
Annual or biennial herbs, usually densely pubescent with simple or branched (sometimes stellate) short and long mixed hairs, rarely glandular hairy, branched mostly from the base, suberect or ascending, Leaves often oblong, lanceolate, pinnatisect to sparsely dentate, sometimes subentire. Racemes many flowered, lax in fruit. Flowers small or mediocre, yellowish, rarely white or purplish; pedicels distinct, ± thickened in fruit, spreading or ascending. Sepals sub-erect, not saccate at base. Petals c. twice as long as the sepals, often broad, cuneate below with short claw. Stamens 6; filaments of the longer 4 connate in pairs; anthers oblong, obtuse. Lateral nectar glands roundish and angular; middle absent. Ovary linear, many ovuled, pubescent; style distinct with bilobed stigma. Siliquae linear, subcylindrical or subterete, often hairy, torulose or lomentoid, bilocular, indehiscent or tardily dehiscent; seeds small, oblong, subcompressed.
About 8 species, chiefly S.W. Asian; only 1 recorded for our area.
Lower Taxon
Related Synonym(s):
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