Achillea tomentosa L.

Achillée tomenteuse (fr)

Species

Angiosperms > Asterales > Asteraceae > Achillea

Characteristics

Rhizomatous perennial herbs, to c. 40 cm high, moderately pubescent. Leaves to c. 8 cm long, 2-or 3-pinnatisect, with segments arranged 3-dimensionally in fresh state; rachis of mid-stem leaves c. 1 mm wide, entire between primary segments. Capitula in dense corymbiform inflorescences, 4–6 mm diam.; peduncle to 0.5 cm long, hairy; involucre c. 4 mm long; bracts keeled; outer and middle series of bracts not pigmented on margin; inner bracts with hyaline extension c. 0.5 mm long; paleae 2–3 mm long. Ray florets 5; ligule 1–2 mm long, yellow. Disc florets c. 20; corolla c. 2.5 mm long; tube narrower than and ±as long as limb; limb yellow. Achenes c. 3 mm long.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread anemochory
Mature width (meter) 0.1 - 0.5
Mature height (meter) 0.2 - 0.38
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

Grows in disturbed sites such as roadsides.
Light 7-9
Soil humidity 1-4
Soil texture 3-4
Soil acidity 2-8
Soil nutriment -
Hardiness (USDA) 3-7

Usage

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

Cultivation

Can be grown by divisions or seedlings.
Mode divisions seedlings
Germination duration (days) 30 - 100
Germination temperacture (C°) 18 - 19
Germination luminosity light
Germination treatment -
Minimum temperature (C°) -40
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Habit

Achillea tomentosa habit picture by Béatrice Escande (cc-by-sa)

Leaf

Achillea tomentosa leaf picture by David Hocken (cc-by-sa)
Achillea tomentosa leaf picture by Isabel Hds (cc-by-sa)
Achillea tomentosa leaf picture by Manuëlle (cc-by-sa)

Flower

Achillea tomentosa flower picture by David Hocken (cc-by-sa)
Achillea tomentosa flower picture by Marie Claire BAUER (cc-by-sa)
Achillea tomentosa flower picture by Manuëlle (cc-by-sa)

Distribution

Achillea tomentosa world distribution map, present in Australia, Switzerland, Germany, France, United Kingdom of Great Britain and Northern Ireland, Croatia, Iran (Islamic Republic of), Italy, Norway, Poland, and Slovakia

Identifiers

LSID urn:lsid:ipni.org:names:174326-1
WFO ID wfo-0000138519
COL ID 97MP
BDTFX ID 440
INPN ID 79939
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Alitubus tomentosus Achillea tomentosa Millefolium tomentosum