Difference between revisions of "Lygodesmia grandiflora var. dianthopsis"
Great Basin Naturalist 43: 314. 1983.
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|tribe=Asteraceae tribe Cichorieae | |tribe=Asteraceae tribe Cichorieae | ||
|genus=Lygodesmia | |genus=Lygodesmia |
Latest revision as of 20:53, 5 November 2020
Plants (5–)20–60 cm. Stems erect or ascending, purple proximally, slender, simple or sparingly branched from bases or distally, smooth (glabrous or tomentulose). Leaves: (proximalmost reduced to scales at ground level) proximal blades linear, 50–110 × 2–6 mm, ± lax; distal linear, less than 10 mm, distally reduced to linear scales. Heads 2–13, in loose, corymbiform arrays. Involucres subcylindric, 15–22 × 4–5 mm, apices narrow. Phyllaries 5–6. Florets 5; corollas purple to lavender or white. Cypselae 12–19 mm, abaxial faces smooth, adaxial distinctly rugose, weakly sulcate. 2n = 18.
Phenology: Flowering Jun–Jul.
Habitat: Sandy and gravelly soils in juniper-pinyon scrub, open fields, sandy roadsides
Elevation: 1300–2500 m
Distribution
![V19-596-distribution-map.gif](/w/images/c/cf/V19-596-distribution-map.gif)
Colo., Idaho, Nev., Utah.
Discussion
Variety dianthopsis is recognized by its slender, erect, leafy stems, purplish at base, persistent cauline leaves, phyllaries with appendages, 5–6 florets per head, and distinctive rugose-roughened cypselae. It usually is taller than var. arizonica. The stems and leaves are occasionally sparsely tomentulose.
Selected References
None.