Psilostrophe cooperi (A.Gray) Greene

Whitestem paperflower (en)

Species

Angiosperms > Asterales > Asteraceae > Psilostrophe

Characteristics

Shrubs or subshrubs, (15–)25–30(–50+) cm. Stems pannose (white). Heads borne singly. Peduncles 35–60(–80+) mm. Involucres 6–8 mm. Rays 3–6; laminae (8–)12–20 mm, spreading to reflexed in fruit. Disc florets (6–)10–17(–25). Cypselae usually glabrous, sometimes gland-dotted; pappi of 4–6 oblong to ± lanceolate scales 2–2.5 mm. 2n = 32.
Life form perennial
Growth form
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.25 - 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 c3

Environment

Light 7-9
Soil humidity 1-3
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 5-11

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 -

Images

Psilostrophe cooperi unspecified picture

Distribution

Psilostrophe cooperi world distribution map, present in Mexico and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:212091-2
WFO ID wfo-0000002784
COL ID 4PJNZ
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Riddellia cooperi Psilostrophe cooperi