Physaria rollinsii G.A.Mulligan

Rollins' twinpod (en)

Species

Angiosperms > Brassicales > Brassicaceae > Physaria

Characteristics

Perennials; (compact); caudex usually simple, (cespitose); (silvery) pubescent throughout, trichomes 6-8-rayed, rays furcate near base, fused at base, (umbonate, strongly tuberculate throughout). Stems several from base, decumbent, (unbranched, slender), 0.5-1 dm. Basal leaves (strongly rosulate); blade usually oblanceolate or broader, sometimes triangular, 2-3.5 cm (width 5-10 mm), margins entire or with 1 or 2 broad teeth, (apex acute). Cauline leaves: blade oblanceolate, 1-1.5 cm (width 2-4 mm), margins entire, (apex acute). Racemes congested, (elongated moderately in fruit). Fruiting pedicels (spreading, straight or somewhat sigmoid), 5-8 mm. Flowers: sepals linear, 5-7 mm; petals spatulate, 8-10 mm, (apex often somewhat truncate). Fruits (erect), didymous, suborbicular, inflated, 2-5(-8) × 4-8(-10)mm, (coriaceous, base slightly cordate or nearly obtuse, sinus obsolete or absent, apical sinus broad and deep); valves (retaining seeds after dehiscence), pubescent, trichomes appressed, (silvery on ovaries and immature fruit; replum obovate to oblong, as wide as or wider than fruit, rarely somewhat constricted basally, apex obtuse; ovules 4 per ovary; style 5-7 mm. Seeds slightly flattened. 2n = 8.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.05 - 0.1
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) -

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 rollinsii world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:195592-2
WFO ID wfo-0001240153
COL ID 4HG55
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Physaria rollinsii