Rudbeckia montana

A. Gray

Proc. Amer. Acad. Arts 17: 217. 1882.

Common names: Montane coneflower
Endemic
Synonyms: Rudbeckia occidentalis var. montana (A. Gray) Perdue
Treatment appears in FNA Volume 21. Treatment on page 51. Mentioned on page 47.

Perennials, to 150 cm (rhizomes stout, plants not colonial, roots fibrous). Leaves greenish blue (± glaucous), blades elliptic to ovate, usually pinnatifid to pinnately lobed (lobes mostly opposite, ovate to elliptic), ± leathery, bases attenuate to cuneate, ultimate margins entire or coarsely dentate, apices acute, faces usually glabrous, sometimes sparsely hairy (at least abaxially on veins); basal petiolate, 17–60 × 10–25 cm; cauline petiolate or sessile, 8–30 × 5–20 cm (blades among heads not lobed). Heads borne singly or in ± corymbiform arrays. Phyllaries to 4 cm (margins sometimes ciliate, apices attenuate). Receptacles ovoid to conic; paleae (proximally transparent to light-brown, distally greenish) 5–8 mm, apices acute to ± rounded, abaxial tips hairy. Ray-florets 0. Discs 20–60 × 12–30 mm. Disc-florets 200–500+; corollas maroon proximally, greenish distally, 4–5 mm; style-branches ca. 1.5 mm, apices acute to rounded. Cypselae 5.2–7 mm; pappi coroniform, to 1.8 mm. 2n = 36.


Phenology: Flowering summer.
Habitat: Hillside seeps, streams
Elevation: 2400–2800 m

Discussion

Selected References

None.

Lower Taxa

None.

... more about "Rudbeckia montana"
not tailed +, rounded +  and obtuse +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
corymbiform +  and paniculiform +
indeterminate +  and determinate +
Lowell E. Urbatsch +  and Patricia B. Cox +
A. Gray +
17 cm170 mm <br />0.17 m <br /> (60 cm600 mm <br />0.6 m <br />) +
10 cm100 mm <br />0.1 m <br /> (25 cm250 mm <br />0.25 m <br />) +
attenuate +  and cuneate +
compound +  and simple +
elliptic;ovate usually pinnatifid +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
sessile +  and petiolate +
sessile +  and petiolate +
8 cm80 mm <br />0.08 m <br /> (30 cm300 mm <br />0.3 m <br />) +
5cm +  and 20cm +
Montane coneflower +
greenish +  and maroon +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
hairy +  and glabrous +
flattened +, fusiform-terete +  and obpyramidal +
fertile +  and bisexual +
6 cm60 mm <br />0.06 m <br /> (8 cm80 mm <br />0.08 m <br />) +
fertile +  and bisexual +
2 cm20 mm <br />0.02 m <br /> (6 cm60 mm <br />0.06 m <br />) +
12mm;30mm +
Colo. +  and Utah. +
2400–2800 m +
hairy +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Hillside seeps, streams +
discoid +  and radiate +
in more or less corymbiform arrays +  and singly +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
0.1 cm1 mm <br />0.001 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
fusiform;turbinate or broadly campanulate +
sessile +  and petiolate +
greenish blue +
deltate +  and lance-linear +
dentate to pinnatifid or palmatifid +  and entire +
2-carpellate +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
persistent +
0 +  and 2 +
coroniform +
0 cm0 mm <br />0 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
Flowering summer. +
3 +  and 21 +
0 cm0 mm <br />0 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Proc. Amer. Acad. Arts +
bearing subulate enations +, hairy +  and bristly +
pitted +  and smooth +
ovoid;conic +
connate +  and distinct +
2 +  and 6 +
unequal +
exalbuminous +
purplish +, bluish green +  and green +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
0.3 cm3 mm <br />0.003 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Rudbeckia occidentalis var. montana +
Rudbeckia montana +
Rudbeckia sect. Macrocline +
species +
cylindric +
0 cm0 mm <br />0 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +
shrub +  and subshrub +