Sisymbrium altissimum L.
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Details
Nomenclature
L.
L.
ICN
Sisymbrium altissimum L.
species
Sisymbrium altissimum
Classification
Vernacular names
Descriptions
Sisymbrium altissimum L.
Annual herb. Stem erect, hairy at base, to 1 m tall. Rosette and lower stem lvs sparsely hispid especially below, pinnatifid, rarely almost 2-pinnatifid, 5-15-(30) × 1.5-7-(10) cm, with 5-9-(12) pairs of toothed triangular lobes. Upper stem lvs glabrous, smaller, pinnatifid with linear-filiform segments. Racemes often flexuous, ebracteate, suberect or spreading, glabrous, 10-30 cm long. Pedicels c. 5 mm long at flowering, elongating to up to c. 10 mm long at fruiting, glabrous. Sepals glabrous, 3-4 mm long, the outer pair with short horn at apex (most conspicuous in bud). Petals yellow, 6-8 mm long. Anthers at least 1 mm long; filaments = or slightly > sepals. Silique glabrous, spreading, linear-cylindric, (40)-70-110 × 1-1.5 mm; style 0.5-1 mm long. Seeds ovoid to oblong, brown, c. 0.8 mm long.
Taxonomic concepts
Sisymbrium altissimum L.
Sisymbrium altissimum L.
Collections
Metadata
8b6d299b-30ce-46c9-a71e-9d95cd27514c
scientific name
Names_Plants
1 January 2000