Geum geniculatum Michx.

Bent avens (en)

Species

Angiosperms > Rosales > Rosaceae > Geum

Characteristics

Plants leafy-stemmed. Stems 50–84 cm, sparsely hirsute proximally, hirsute distally. Leaves: basal 14–30 cm, blade interruptedly lyrate-pinnate, major leaflets 1–5, mixed with 2–5 minor ones, terminal leaflet slightly to much larger than major laterals; cauline 4–12 cm, stipules ± free, 7–20 × 4–8 mm, blade pinnate, 3-foliolate, or simple and 3-lobed. Inflorescences 5–15-flowered. Pedicels densely pilose, some hairs septate-glandular. Flowers nodding; epicalyx bractlets 2.5–3 mm; hypanthium green with purple tinge at base to greenish maroon; sepals erect to erect-spreading, 5–8 mm; petals erect, white, pink, or lavender, spatulate-obovate, 5–7 mm, ± equal to sepals, apex rounded, truncate, or shallowly emarginate. Fruiting tori sessile, densely bristly. Fruiting styles geniculate-jointed, proximal segment persistent, 2–4.5 mm, apex hooked, septate-glandular hairs on basal 1/2, distal segment very tardily deciduous, 5–8 mm, pilose except apical 1–2 mm, with some glandular hairs.
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) -

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

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

Distribution

Geum geniculatum world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:725236-1
WFO ID wfo-0001004211
COL ID 6KG5C
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Geum geniculatum