Richteria pyrethroides Kar. & Kir.

Species

Angiosperms > Asterales > Asteraceae > Richteria

Characteristics

Herbs, perennial, (5-)10-40 cm tall, rhizomatous; stems erect or ascending, base covered with sheathing leaf bases, fascicled, rarely solitary, few branched or not, gray-white, villous with curved long simple hairs especially below capitulum. Basal leaves: petioles to 4 cm; leaf blade narrowly elliptic, 1.5-7 × 0.6-2 cm, 2-pinnatisect, both surfaces gray-white, densely or sparsely villous; primary lateral segments 3-8-paired; ultimate segments linear-lanceolate or ovate-lanceolate, sessile, rather small. Synflorescence terminal, with 1(-3) capitula, not conspicuously flat-topped. Involucre coryliform, 1-1.4 cm in diam.; phyllaries in 4 rows, scarious margin dark brown, outer phyllaries ovate or long ovate-triangular, 3-4(-6) mm, middle and inner ones narrowly lanceolate or oblanceolate, 5-15 mm, middle ones abaxially densely villous with fluffy curved long simple hairs, inner ones glabrous or nearly so abaxially. Ray florets white or pale red; lamina elliptic or narrowly elliptic, 5-15 mm, apex 3-denticulate. Achenes ca. 2.5 mm. Corona ca. 1 mm, divided to base. Fl. and fr. Jun-Aug.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 0.35
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 7-8
Soil acidity -
Soil nutriment -
Hardiness (USDA) 6-11

Usage

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

Cultivation

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

Distribution

Richteria pyrethroides world distribution map, present in Afghanistan, China, India, Kazakhstan, Kyrgyzstan, Liberia, Mongolia, Pakistan, Tajikistan, and Uzbekistan

Identifiers

LSID urn:lsid:ipni.org:names:241477-1
WFO ID wfo-0000082680
COL ID 4SZSY
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Pyrethrum transiliense Chrysanthemum arassanicum Chrysanthemum richteria Tanacetum transiliense Pyrethrum pyrethroides Chrysanthemum pyrethroides Pyrethrum arassanicum Tanacetum pyrethroides Chrysanthemum richteria Tanacetum pyrethroides Pyrethrum transiliense var. transiliense Pyrethrum transiliense var. subvillosum Chrysanthemum artemisiifolium Richteria pyrethroides