Geum calthifolium Sm.

Calthaleaf avens (en)

Species

Angiosperms > Rosales > Rosaceae > Geum

Characteristics

Plants subscapose. Stems 8–40 cm, sparsely hirsute proximally, puberulent throughout. Leaves: basal 5–25 cm, blade strongly lyrate-pinnate, sometimes simple, major leaflet 1, minor leaflets 1–7, terminal leaflet much larger than minor laterals; cauline 1.5–4.5 cm, stipules not evident, blade ?bractlike, not resembling basal?, simple. Inflorescences 1–2(–4)-flowered. Pedicels downy, hirsute, eglandular. Flowers erect; epicalyx bractlets 2–6 mm; hypanthium green or green with slight maroon tinge; sepals erect-spreading, 6–11 mm; petals spreading, yellow, obcordate-obdeltate to nearly orbiculate, 9–13 mm, longer than sepals, apex broadly and shallowly emarginate. Fruiting tori sessile, glabrous. Fruiting styles wholly persistent, not geniculate-jointed, 9–14 mm, apex not hooked, pilose in basal 3/4, eglandular. 2n = 42.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 7-9
Soil humidity 3-5
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 5-8

Usage

Uses medicinal
Edible -
Therapeutic use Cold Remedy (root), Throat Aid (root), Tonic (root), Dermatological Aid (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 21 - 28
Germination temperacture (C°) 18 - 21
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -23
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Geum calthifolium unspecified picture

Distribution

Geum calthifolium world distribution map, present in Canada and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:725194-1
WFO ID wfo-0001012937
COL ID 3FY92
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Geum calthifolium Acomastylis calthifolia