Difference between revisions of "Stephanomeria fluminea"
Madroño 46: 58, fig. 1. 1999.
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|distribution=Wyo. | |distribution=Wyo. | ||
|discussion=<p>Of conservation concern.</p><!-- | |discussion=<p>Of conservation concern.</p><!-- | ||
| − | --><p>Stephanomeria fluminea is known only from northwestern Wyoming. Its habitat is unique among all species of the genus. The plants grow on impermanent, raised cobble benches in flat, gravel beds of creeks that flood and churn after spring snowmelt.</p> | + | --><p><i>Stephanomeria fluminea</i> is known only from northwestern Wyoming. Its habitat is unique among all species of the genus. The plants grow on impermanent, raised cobble benches in flat, gravel beds of creeks that flood and churn after spring snowmelt.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1999 | |publication year=1999 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V19-20-21/V19_558.xml |
|tribe=Asteraceae tribe Cichorieae | |tribe=Asteraceae tribe Cichorieae | ||
|genus=Stephanomeria | |genus=Stephanomeria | ||
Revision as of 15:13, 18 September 2019
Perennials, 15–40 cm (rhizomes slender). Stems 1–8, branches ascending, ± tomentose. Leaves green (at least cauline) at flowering; blades oblong-oblanceolate, 3–6 cm, margins entire or toothed (teeth remote, faces tomentose). Heads borne singly or clustered along stems and branches. Peduncles 2–10 mm (glabrous). Calyculi of (4–6) appressed bractlets (unequal, lengths to 1/2 phyllaries). Involucres 8–10 mm (phyllaries 5, glabrous). Florets 5(–6). Cypselae tan, 4–4.4 mm, faces smooth, grooved; pappi of 30–40, white bristles (persistent), wholly plumose. 2n = 16.
Phenology: Flowering Jul–Aug.
Habitat: Spring-flooded flat, gravel stream beds. of conservation concern
Elevation: 2000–2300 m
Discussion
Of conservation concern.
Stephanomeria fluminea is known only from northwestern Wyoming. Its habitat is unique among all species of the genus. The plants grow on impermanent, raised cobble benches in flat, gravel beds of creeks that flood and churn after spring snowmelt.
Selected References
None.