Thymophylla pentachaeta (Dc.) Small

Fiveneedle pricklyleaf (en)

Species

Angiosperms > Asterales > Asteraceae > Thymophylla

Characteristics

Perennials or subshrubs, ± grayish to green, to 15(–25) cm, usually puberulent to canescent, sometimes glabrescent or glabrous. Stems erect or spreading. Leaves mostly opposite; blades mostly pinnately lobed, 6–28+ mm overall, lobes 3–11 linear to filiform (usually stiff, setiform). Peduncles 20–100 mm, puberulent or glabrous. Calyculi 0, or of 1–5 deltate bractlets, lengths less than 1/2 phyllaries. Involucres obconic to campanulate or hemispheric, 4–6 mm. Phyllaries 12–21, margins of outer distinct 1/5 to nearly all their lengths, abaxial faces puberulent or glabrous. Ray florets (8–)12–21; corollas yellow to orange-yellow, laminae 2–6(–8) × 1–3 mm. Disc florets 16–40 or 50–80; corollas yellow, 2–4 mm (tending to zygomorphy in peripheral florets in some plants). Cypselae 2–3 mm; pappi of 10 erose and/or aristate scales mostly 1–3 mm.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
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Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 6-11

Usage

Uses medicinal
Edible -
Therapeutic use Psychological Aid (unspecified), Ache(Stomach) (unspecified)
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 -

Images

Flower

Thymophylla pentachaeta flower picture by Missi missi (cc-by-sa)

Distribution

Thymophylla pentachaeta world distribution map, present in Mexico and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:253209-2
WFO ID wfo-0000129006
COL ID 56QLW
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Thymophylla pentachaeta Hymenatherum pentachaetum Dyssodia wootonii Dyssodia pentachaeta Hymenatherum berlandieri Thymophylla pentachaeta var. pentachaeta Dyssodia pentachaeta subsp. pentachaeta Dyssodia pentachaeta var. pentachaeta

Lower taxons

Thymophylla pentachaeta var. hartwegii Thymophylla pentachaeta var. belenidium Thymophylla pentachaeta var. puberula