Crotalaria purshii Dc.

Pursh's rattlebox (en)

Species

Angiosperms > Fabales > Fabaceae > Crotalaria

Characteristics

Perennial from a thick woody root; stems erect, branched from the base, 2–5 dm, with closely appressed hairs; lvs finely appressed-hairy on the lower surface, glabrous on the upper, averaging narrower than in no. 1 [Crotalaria sagittalis L.], the upper usually linear and seldom over 5 mm wide, the lower often narrowly lanceolate. Dry sandy soil; se. Va. to n. Fla. and e. La., mainly on the coastal plain. Summer.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
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 rhizobia
Photosynthetic pathway -

Environment

Light 7-9
Soil humidity 3-7
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-10

Usage

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

Cultivation

Mode -
Germination duration (days) 21 - 30
Germination temperacture (C°) 18 - 23
Germination luminosity -
Germination treatment soaking
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Flower

Crotalaria purshii flower picture by Tom Jones (cc-by-sa)

Distribution

Crotalaria purshii world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:30190177-2
WFO ID wfo-0000174079
COL ID ZNZQ
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Crotalaria purshii Iocaulon cuneifolia Iocaulon linearis Iocaulon longipes Crotalaria cuneifolia Crotalaria linearis Crotalaria purshii var. purshii Crotalaria sagittalis var. linearis Crotalaria purshii var. bracteolifera