Achillea impatiens L.

Species

Angiosperms > Asterales > Asteraceae > Achillea

Characteristics

Herbs, perennial, 40-60 cm tall, with short rhizomes; stem erect, few branched in upper part, pubescent above middle. Middle stem leaves sessile; leaf blade lanceolate, 1.5-4.5 × 0.3-0.9 cm, both surfaces sparsely pilose; rachis 1-2 mm wide, segments linear-lanceolate, margin entire, minutely serrulate or with 1 or 2 teeth on one side, apex acute. Upper stem leaves similar, gradually smaller. Synflorescence a terminal flat-topped cyme. Capitula 5-8 or more. Involucre hemispheric, 5-7 mm in diam.; phyllaries in 3 rows, broadly lanceolate, 3.5-4.5 × ca. 1.8 mm, abaxially sparsely villous, margin scarious, midvein convex, red-brown or deep brown. Paleae lanceolate, apex sparsely villous. Ray florets 8; lamina white, broadly elliptic, apex 3-crenate. Disk florets white, tubular. Achenes oblanceolate, ca. 2.5 × 1.3 mm, with winged lateral ribs. Corona absent. Fl. and fr. Jul-Aug. 2n = 18.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.38 - 0.95
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 7-9
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 5-10

Usage

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

Cultivation

Mode -
Germination duration (days) 30 - 100
Germination temperacture (C°) 15 - 18
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Achillea impatiens unspecified picture

Distribution

Achillea impatiens world distribution map, present in China, Kazakhstan, Liberia, Mongolia, and Romania

Identifiers

LSID urn:lsid:ipni.org:names:174032-1
WFO ID wfo-0000045164
COL ID 97FC
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Achillea impatiens Achillea claudiopolina Achillea wolffii Achillea lucida Achillea x nitida Ptarmica impatiens Achillea spinulosa Ptarmica spinosa Achillea claudiopolitana Achillea impatiens subsp. impatiens Achillea impatiens subsp. euimpatiens