Antennaria virginica Stebbins

Shale barren pussytoes (en)

Species

Angiosperms > Asterales > Asteraceae > Antennaria

Characteristics

Dioecious. Plants 4–25 cm. Stolons 2–8 cm. Basal leaves 1-nerved, spatulate to cuneate-oblanceolate, 10–25 × 3–9 mm, tips mucronate, faces greenish gray, moderately pubescent. Cauline leaves linear, 4–20 mm, not flagged (apices acute). Heads 3–6(–9) in corymbiform arrays. Involucres: staminate 3.8–6 mm; pistillate 5–7 mm. Phyllaries distally white or stramineous. Corollas: staminate 2.2–3.5 mm; pistillate 2.8–4.5 mm. Cypselae 0.8–1.3 mm, slightly papillate; pappi: staminate 2.8–4(–5) mm; pistillate 3.5–5.2 mm. 2n = 28, 56.
More
Heads small, the pistillate invols 5–7 mm; consistently sexual; diploid or tetraploid; otherwise like a small and delicate form of A. neglecta var. neodioica. Mainly shale-barrens; w. Va. and e. W.Va. to Pa., but also to Ky. and s. and e.c. O. Apr., May. (A. neglecta var. argillicola)
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention evergreen
Sexuality dioecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.05 - 0.25
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 3-5
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-9

Usage

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

Cultivation

Mode -
Germination duration (days) 30 - 69
Germination temperacture (C°) 12 - 15
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Antennaria virginica unspecified picture

Distribution

Antennaria virginica world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:14889-2
WFO ID wfo-0000009469
COL ID 5V9HC
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Antennaria virginica Antennaria neodioica var. argillicola Antennaria neglecta var. argillicola Antennaria virginica var. virginica Antennaria virginica var. argillicola