Geum urbanum L.
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Geum urbanum L., Sp. Pl. 501 (1753)
Geum urbanum L.
Nomenclature
L.
L.
1753
501
ICN
Geum urbanum L.
species
Geum urbanum
Classification
Subordinates
Vernacular names
Descriptions
Geum urbanum L.
Erect herb arising from a short rhizome; stem moderately stout to slender, 30-40-(60) cm high at flowering, branched, moderately to densely clothed in long and short hairs. Lvs both basal and cauline; basal lvs with petiole up to 18 cm long, grooved and pilose; blade ovate to obovate, up to 14 cm long, usually pinnately 3-foliolate, sometimes imparipinnate with 2-3 pairs of major leaflets, hairy above, hairy below especially on veins; margins 2-serrate to irregularly crenate-serrate and lobed; terminal leaflet up to 6-(10) cm long, 3-5-lobed or sometimes deeply incised. Cauline lvs decreasing in size upwards, with ± orbicular dissected stipules, the uppermost lvs obscurely 3-lobed and crenate; infl. a few-flowered loose cyme; peduncles densely clothed in short and long hairs, up to 14 cm long. Epicalyx segments lanceolate, 2-5 mm long. Sepals ovate-triangular, 4-7 mm long, hairy, reflexed at fruiting. Petals 3-6 mm long, rounded, yellow. Achenes c. 50-70, hairy, forming a ± globose head c. 10-12 × 6-13 mm; distal part of style deciduous; proximal part of style persistent, hooked, glabrous or with few hairs at base.
Taxonomic concepts
Collections
Metadata
5d98d084-ecff-4611-add5-bd789bf9d795
scientific name
Names_Plants
1 January 2000
28 June 2007