Achillea wilsoniana (Heimerl) Hand.-mazz.

Species

Angiosperms > Asterales > Asteraceae > Achillea

Characteristics

Herbs, perennial, with short rhizomes. Stems erect, 35-100 cm tall, densely villous above middle, glabrescent in lower part, usually corymbosely branched, with sterile branches at leaf axils in upper part. Proximal stem leaves withered by anthesis. Middle stem leaves sessile; leaf blade oblong, 4-6.5 × 1-2 cm, abaxially sparsely pilose, adaxially densely pilose, 2-pinnatisect; primary segments many, close together, elliptic-lanceolate, 5-10 × 2-4 mm; secondary segments few, lanceolate, proximal ones large, distal ones small; rachis ca. 1.5 mm wide, margin entire or dentate. Capitula many, in an apical compound corymb. Involucres broadly campanulate or hemispheric, 4-6 mm in diam.; phyllaries in 3 rows, overlapping, outer ovate-lanceolate, short, ca. 2.3 × 1.2 mm, apex slightly acute, middle ones ovate-elliptic, ca. 2.5 × 1.8 mm, inner ones long elliptic, ca. 4 × 1.8 mm, apex obtuse or rounded; midvein convex. Paleae lanceolate, ca. 4.5 mm, sparsely villous in upper part. Ray florets 6-8(-16); lamina white, occasionally with pinkish margin, ca. 2.2 × 2.2 mm, apex deeply or shallowly 3-denticulate. Disk florets yellowish or white, tubular. Achenes oblong-cuneate, ca. 2.5 × 1.1 mm, with winged lateral ribs. Pappus absent. Fl. and fr. Jul-Sep.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.35 - 1.0
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 -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 6-10

Usage

Uses medicinal
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 -

Distribution

Achillea wilsoniana world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:174356-1
WFO ID wfo-0000089767
COL ID 64H4V
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Achillea wilsoniana f. wilsoniana Achillea wilsoniana Achillea sibirica subsp. wilsoniana Achillea wilsoniana f. obconica