Rudbeckia fulgida var. umbrosa (C.L.Boynton & Beadle) Cronquist

Orange coneflower (en)

Variety

Angiosperms > Asterales > Asteraceae > Rudbeckia > Rudbeckia fulgida

Characteristics

Stems glabrous or sparsely hirsute (hairs antrorse to spreading). Leaves: basal blades ovate, 1.5–3.5 cm wide, lengths to 2 times widths, bases broadly rounded to cordate, margins coarsely dentate, faces glabrous or sparsely hairy; cauline petiolate (proximal) to nearly sessile (distal), ovate to lanceolate, not notably smaller distally, bases rounded to attenuate, margins usually coarsely serrate, sometimes entire, faces sparsely to moderately hairy. Phyllaries reflexed, 1–2.2 × 0.25–0.5 cm, glabrous or sparsely hairy. Receptacles 10–15 mm diam.; palea margins ciliate, faces glabrous. Ray florets 8–12; laminae 10–30 mm. 2n = 76.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.8 - 1.2
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

Light 4-9
Soil humidity 3-5
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-9

Usage

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

Cultivation

Mode -
Germination duration (days) 5 - 21
Germination temperacture (C°) 21
Germination luminosity light
Germination treatment stratification
Minimum temperature (C°) -35
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Rudbeckia fulgida var. umbrosa world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:223734-2
WFO ID wfo-0000105599
COL ID 78XQM
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Rudbeckia umbrosa Rudbeckia fulgida var. umbrosa Rudbeckia chapmanii