Hymenoxys grandiflora (Torr. & A.Gray) K.F.Parker

Species

Angiosperms > Asterales > Asteraceae > Hymenoxys

Characteristics

Perennials, 8–30 cm (polycarpic, often with sparingly branched, woody caudices). Stems 1–10, green throughout to purple-red-tinted proximally or distally to purple-red-tinted throughout, usually unbranched distally, ± hairy. Leaves: blades simple or lobed (lobes 3–15), ± hairy, gland-dotted (basal leaf bases, sparsely, if at all, long-villous-woolly); mid leaves simple or lobed (lobes 3–7, terminal lobes 1–2.5 mm wide). Heads 1–10 per plant, usually borne singly. Peduncles 1–10 cm, ± hairy, tomentose distally near involucres. Involucres hemispheric to subglobose, 15–25 × 18–30 mm. Phyllaries in 2–3 series, subequal; outer 16–24, basally connate 1/5–1/4 their lengths, lanceolate, 9–15 mm, apices acute; inner 16–24+, lanceolate to oblanceolate, 8–12 mm, apices acuminate to acute. Ray florets 15–34(–44); corollas yellow, 16–30 × 4–8 mm. Disc florets 150–400+; corollas 5–6 mm. Cypselae obpyramidal to narrowly obpyramidal, 3.3–3.7 mm; pappi of 5–7 lanceolate, aristate scales 4.5–5.3 mm. 2n = 30.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.08 - 0.3
Root system -
Rooting depth (meter) 0.2
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 7-9
Soil humidity 5-7
Soil texture -
Soil acidity 2-8
Soil nutriment -
Hardiness (USDA) 5-8

Usage

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

Cultivation

Can be grown by seedlings.
Mode seedlings
Germination duration (days) 14 - 28
Germination temperacture (C°) 20
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Hymenoxys grandiflora unspecified picture

Distribution

Hymenoxys grandiflora world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:126000-2
WFO ID wfo-0000007704
COL ID 3NLN2
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Tetraneuris grandiflora Hymenoxys grandiflora Actinella grandiflora Actinea grandiflora Ptilepida grandiflora Rydbergia grandiflora Actinella grandiflora var. grandiflora