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

Variety

Angiosperms > Asterales > Asteraceae > Rudbeckia > Rudbeckia fulgida

Characteristics

Stems glabrous or sparsely hirsute (hairs spreading). Leaves: basal blades mostly broadly elliptic to ovate, 1.5–3 cm wide, lengths to 2 times widths, bases broadly rounded, margins sharply toothed (not incised), faces glabrous or sparsely hairy; cauline petiolate (proximal) to nearly sessile (distal), shapes ovate to lanceolate, notably smaller distally, bases rounded to attenuate, margins entire or serrate, faces glabrous or sparsely hairy. Phyllaries spreading to reflexed, 1–2 × 0.2–0.5 cm, glabrous or sparsely hairy. Receptacles 11–18 mm diam.; palea margins eciliate, faces glabrous. Ray florets 12–21; laminae 25–40 mm. 2n = 76.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.45 - 0.9
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) 3-6

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°) -38
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Rudbeckia fulgida var. sullivantii world distribution map, present in Croatia and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:223733-2
WFO ID wfo-0000082869
COL ID 4TMCM
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Rudbeckia sullivantii Rudbeckia fulgida var. sullivantii Rudbeckia speciosa var. sullivantii