Helianthella uniflora Torr. & A.Gray

Oneflower helianthella (en)

Species

Angiosperms > Asterales > Asteraceae > Helianthella

Characteristics

Plants 40–120 cm. Cauline leaves: largest at mid stems; blades usually 3-nerved, usually lanceolate to elliptic, rarely ovate, 12–25 cm, faces puberulent, hirsute, or scabrous. Heads usually borne singly, sometimes 2–3+, erect. Involucres turbinate to hemispheric or broader, 15–30 mm diam. Phyllaries lanceolate to lance-linear (subequal or outer larger, margins sometimes ciliate, faces ± cinereous-pubescent to sparsely puberulent). Paleae chartaceous, relatively firm. Ray florets 11–13(–21); laminae 15–30(–45) mm. Disc corollas yellow. Cypselae strongly compressed, narrowly obovate (margins ciliate, faces strigose); pappi of 2 ± subulate scales plus 2–4 shorter scales. 2n = 30.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.5 - 0.9
Root system -
Rooting depth (meter) 0.95
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 5-6
Soil humidity 2-2
Soil texture -
Soil acidity 6-8
Soil nutriment -
Hardiness (USDA) 3-8

Usage

Uses medicinal
Edible -
Therapeutic use Dermatological Aid (root), Orthopedic Aid (root), Analgesic (root), Antirheumatic (External) (root)
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -40
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Helianthella uniflora unspecified picture

Distribution

Helianthella uniflora world distribution map, present in Canada and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:211963-1
WFO ID wfo-0000082681
COL ID 3K593
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Leighia lanceolata Leighia uniflora Helianthella uniflora Helianthus uniflorus Helianthella multicaulis Helianthella douglasii Helianthella lanceolata Helianthella uniflora var. uniflora Helianthella uniflora var. douglasii