Comprehensive Description
provided by North American Flora
Geum hirsutum Muhl. (Cat. 51; hyponym. 1813); Link, Enum
2: 65. 1822.
Geum canadense Fischer & Trautv. Ind. Sem. Petrop. 3: 35. 1837. Not G. canadense J acq. 1772. Geum album flavum Porter, Bull. Torrey Club 16: 21. 1889. Geum canadense flavum Britton, Bull. Torrey Club 18: 270. 1891. Geum flavum Bickn. Bull. Torrey Club 23: 523. 1896. Perennial, with a short rootstock; stem 3-12 dm. high, strongly hirsute below, corymbosely branched above; basal leaves very variable, pinnate or simple, petioled; petioles hirsute; teVminal leaflet in the earlier ones rounded or cordate, 5-10 cm. long, lobed and crenate or dentate, with or without several smaller rounded leaflets on the petioles; later basal leaves pinnately 3-7-foliolate, with the leaflets diminishing downwards, the upper leaflets usually rhombic or oblong-ovate, round-lobed, crenate-dentate ; lower stem-leaves similar; upper ones 3-foliolate or 3-cleft; both surfaces pilose, the lower somewhat paler; stipules large, incised and lobed; flowers nodding; bractlets linear or oblong, often half as long as the sepals; sepals ovate, acute or short-acuminate, 4-5 mm. long; petals ochroleucous, cuneate-obovate or oblong, 2-3 mm. long; fruiting head about 1.5 mm. in diameter; receptacle hispid; body of the achenes about 4 mm. long; lower internode of the style 4 mm. long, glabrous; upper internode 1 mm. long, hirsute below.
Type locality: Pennsylvania.
Distribution: Woods and banks, from Connecticut to Ohio, Georgia, and Tennessee; (?Mis-
- bibliographic citation
- Per Axel Rydberg. 1913. ROSACEAE (pars). North American flora. vol 22(5). New York Botanical Garden, New York, NY
Comprehensive Description
provided by North American Flora
Geum virginianum L. Sp. PL 500. 1753
Geum laciniatum Murr. Novi Comm. Gott. 5: 30. 1775.
Caryophyllata virgintana Lam. Kncyc. 1: 399. 1783.
Geum heterophyllum Desf.; Seringe, in DC. Prodr. 2: 550. 1825.
Perennial, with a thick rootstock; stem 3-10 dm. high, hirsute with reflexed hairs, branched above; basal leaves petioled, 1-3 dm. long, the earlier ones often with only the terminal lobe present, which is rounded-reniform, crenate and somewhat lobed, the other basal leaves pinnate with variously dissected obovate segments ; lower stem-leaves similar btrj: with shorter petioles, the upper ones 3-divided or 3-lobed, with rhormbic or oblanceolate or obovate, acute or acuminate divisions; leaf-surfaces hirsute; stipules ovate, dentate; fruiting pedicels short, rigid; flowers declined; bractlets linear, about half as long as the lanceolate acuminate sepals, which are 5-6 mm. long, reflexed; petals white, oblong or cuneate, shorter than the sepals; fruiting head 1.5-2 cm. in diameter; receptacle glabrous; body of the achenes 3-4 mm. long, often sparingly hispid near the apex, otherwise glabrous; lower internode of the style 4-5 mm. long, glabrous; upper internode about 1 mm. long, sparingly pubescent with short ascending
hairs.
Type locality: Virginia.
Distribution: Thickets and low places, from New Brunswick to North Carolina, Missouri, and Minnesota.
- bibliographic citation
- Per Axel Rydberg. 1913. ROSACEAE (pars). North American flora. vol 22(5). New York Botanical Garden, New York, NY