Physaria geyeri (Hook.) A.Gray

Geyer's twinpod (en)

Species

Angiosperms > Brassicales > Brassicaceae > Physaria

Characteristics

Perennials; caudex usually simple, (cespitose); (silvery) pubescent throughout, trichomes (sessile), 6-8-rayed, rays mostly furcate, (tuberculate to nearly smooth). Stems several from base, decumbent, (arising laterally, unbranched), 1-3 dm. Basal leaves (numerous); (petiole slender, rarely with a few broad teeth); blade obovate, 3-7 cm, margins entire. Cauline leaves: blade oblanceolate, 1.5-3 cm, margins entire. Racemes loose. Fruiting pedicels (ascending or spreading, slightly curved or sigmoid), 1-2 cm. Flowers: sepals oblong, 5-7 mm; petals (yellow to purplish), spatulate, 8-12 mm. Fruits obcordate, angustiseptate, somewhat inflated, (not bladdery), 5-7 × 6-9 mm, (papery, basal sinus absent, apical sinus broad and open); valves (retaining seeds after dehiscence), loosely pubescent, trichomes spreading; replum ovate, 5-7 mm, as wide as or wider than fruit, apex acute or obtuse; ovules 4-6 per ovary; style 5-7 mm.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 0.3
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 7-9
Soil humidity 1-5
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-9

Usage

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

Cultivation

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

Distribution

Physaria geyeri world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:1053301-2
WFO ID wfo-0001217204
COL ID 4HG38
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Coulterina geyeri Physaria geyeri Vesicaria geyeri Lesquerella geyeri Physaria geyeri var. geyeri Physaria geyeri subsp. geyeri

Lower taxons

Physaria geyeri subsp. purpurea (rollins) o'kane