Trifolium dubium Sibth.
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Details
Nomenclature
Sibth.
Sibth.
1794
ICN
Trifolium dubium Sibth.
species
Trifolium dubium
Classification
Vernacular names
Descriptions
Trifolium dubium Sibth.
Annual; stems sparsely to densely hairy, procumbent or ascending, not rooting at nodes. Lvs glabrous to moderately hairy on petioles and undersurface of leaflets; petioles 1-5-(20) mm long; leaflets obovate, usually emarginate, occasionally obtuse, rarely some leaflets shortly mucronate, cuneate at base, finely serrate, c. 3-12 mm long; lateral veins thin and straight to leaflet margin; petiolules distinctly unequal on most lvs; lateral petiolules < 1 mm long; terminal petiolule up to 2-(3) mm long; stipules ovate, acute. Infls axillary, racemose, cylindric to globose, pedunculate, much > lvs; fls 5-20-(25); pedicels 0-1 mm long; bracts subtending fls reduced to glandular hairs. Calyx ± glabrous, occasionally sparsely hairy, 5-veined, not inflated at fruiting; throat open, glabrous; calyx teeth unequal, < corolla, erect at fruiting; 3 lower teeth longer, lanceolate, ± = or somewhat > tube; 2 upper teeth triangular and < tube; sinuses obtuse. Corolla yellow, persistent, 2.5-4 mm long. Pod glabrous, straight, > calyx, 2-3 mm long, 1-seeded; seeds c. 1-1.5 mm diam.
Taxonomic concepts
Collections
Metadata
02f222ff-fc15-4b80-a2d2-a1006007dd17
scientific name
Names_Plants
1 January 2000
21 November 2013