Youngia mairei (H.Lév.) Babc. & Stebbins

Species

Angiosperms > Asterales > Asteraceae > Youngia

Characteristics

Herbs 15-25 cm tall, perennial, rosulate. Taproot slender. Caudex with residues of old leaf bases. Stem solitary, slender, erect, branched from middle third or higher, glabrous. Rosette leaves oblanceolate, 3-7 × 1-1.5 cm, undivided, both faces finely pubescent with yellow or brown many-celled hairs, base attenuate into a short petiole-like portion, margin mucronately sinuate-dentate, apex acute to acuminate. Stem leaves few, linear, reduced in size. Synflorescence corymbiform, with few to several capitula. Capitula with ca. 12 florets; peduncle capillaceous, 0.5-1.2 cm, ± subtomentulose. Involucre cylindric to narrowly campanulate, 6-7 mm, abaxially glabrous. Outer phyllaries ovate, longest ca. 1 mm; inner phyllaries 8, adaxially pubescent with very shortly appressed shiny hairs, midvein subapically often somewhat crested, margin ± white scarious, apex acute and ciliate. Anther tube and style branches yellow upon drying. Achene brownish purple, columnar, ca. 2.5 mm, ribs finely spiculate, apically subattenuate. Pappus white, 3.5-4 mm. Fl. Jun.
Life form perennial
Growth form herb
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Sexuality hermaphrodite
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Mature width (meter) -
Mature height (meter) 0.15 - 0.25
Root system tap-root
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Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
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Environment

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Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
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Cultivation

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Distribution

Youngia mairei world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:261140-1
WFO ID wfo-0000125036
COL ID 5CSGQ
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Youngia mairei Crepis mairei