Antennaria howellii Greene

Howell's pussytoes (en)

Species

Angiosperms > Asterales > Asteraceae > Antennaria

Characteristics

Gynoecious (staminate plants very uncommon). Plants (6–)8–35 cm (stems sometimes stipitate-glandular). Stolons 1–9(–12) cm. Basal leaves 1-nerved, spatulate to oblanceolate, spatulate-obovate, narrowly to broadly ovate, or cuneate-oblanceolate, 20–48(–65) × 2.5–20 mm, tips mucronate, faces abaxially tomentose, adaxially green-glabrous or gray-pubescent. Cauline leaves linear, 8–40 mm, distal sometimes flagged (apices acute). Heads 3–15 in corymbiform arrays. Involucres: staminate 6–6.5 mm; pistillate 6–11 mm. Phyllaries (bases sometimes rose) distally white, cream, or light brown. Corollas: staminate 3–4 mm; pistillate 3.5–6.5(–8) mm. Cypselae 0.8–2 mm, ± papillate; pappi: staminate 4–4.5 mm; pistillate 5.5–9 mm. 2n = 56, 84, 140 (under A. neodioica).
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention evergreen
Sexuality apomictic
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.15 - 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 3-5
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-9

Usage

Uses medicinal
Edible -
Therapeutic use Analgesic (leaf)
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 30 - 69
Germination temperacture (C°) 9 - 10
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Antennaria howellii unspecified picture

Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:14708-2
WFO ID wfo-0000001053
COL ID 679DV
BDTFX ID -
INPN ID 762261
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Antennaria howellii f. howellii Antennaria howellii Antennaria howellii var. howellii

Lower taxons

Antennaria howellii subsp. canadensis Antennaria howellii subsp. howellii Antennaria howellii subsp. neodioica