Rudbeckia mohrii A.Gray

Mohr's coneflower (en)

Species

Angiosperms > Asterales > Asteraceae > Rudbeckia

Characteristics

Perennials, to 110 cm (rhizomatous, roots fibrous). Leaves green (glaucous), blades (3–5-nerved) narrowly lanceolate to linear (not lobed), leathery, bases attenuate, margins entire (sometimes ciliate), apices acute, faces glabrous; basal petiolate, 10–40 × 0.5–1.5 cm; cauline petiolate or sessile, 2–25 × 0.2–0.8 cm. Heads (3–15) in ± corymbiform arrays. Phyllaries to 1 cm. Receptacles ovoid or ellipsoid to hemispheric; paleae 4–5 mm, glabrous or sparsely hairy, apices obtuse, acuminate. Ray florets 7–14; laminae elliptic to oblanceolate, 12–30 × 5–10 mm, abaxially glabrous. Discs 9–15 × 7–17 mm. Disc florets 100–200+; corollas yellowish green proximally, maroon distally, 3–4 mm; style branches ca. 1 mm, apices acute to blunt. Cypselae 3.4–4.2 mm; pappi ± coroniform, of connate or distinct scales to 1.2 mm. 2n = 36.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.8 - 1.1
Root system fibrous-root
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) -

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

Distribution

Rudbeckia mohrii world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:301706-2
WFO ID wfo-0000024072
COL ID 4TMBG
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Rudbeckia mohrii Rudbeckia bupleuroides