Hieracium nudicaule (A.Gray) A.Heller

Species

Angiosperms > Asterales > Asteraceae > Hieracium

Characteristics

Plants (15–)20–30(–50+) cm. Stems proximally usually glabrous, sometimes piloso-hirsute (hairs 1–7+ mm) and/or stellate-pubescent, distally usually glabrous, sometimes piloso-hirsute (hairs 1–7+ mm) and/or stellate-pubescent. Leaves: basal (3–)5–8, cauline 0–3(–5); blades lanceolate to lance-elliptic, 50–120 × 6–18(–30) mm, lengths (3–)5–8+ times widths, bases cuneate, margins usually entire, sometimes denticulate, apices acute, faces usually piloso-hirsute (hairs 2–7+ mm) and stellate-pubescent, sometimes glabrous or glabrate. Heads (2–)5–12+ in paniculiform to corymbiform or subumbelliform arrays. Peduncles ± stellate-pubescent, sometimes stipitate-glandular as well. Calyculi: bractlets 8–13+. Involucres ± campanulate, 8–10+ (× 4–6) mm. Phyllaries 8–13+, apices rounded to acute, abaxial faces piloso-hirsute (hairs 0.5–2+ mm), stellate-pubescent, and stipitate-glandular. Florets 20–40+; corollas yellow, 8–10+ mm. Cypselae (black) columnar, 2.5–3 mm; pappi of 40–60+, white or stramineous bristles in ± 2 series, 4–6 mm.
Life form perennial
Growth form herb
Growth support -
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.2 - 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 -
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°) 10 - 15
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Hieracium nudicaule world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:122383-2
WFO ID wfo-0000129629
COL ID 3LRGD
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Hieracium nudicaule Hieracium cynoglossoides var. nudicaule Hieracium scouleri var. nudicaule