Difference between revisions of "Lygodesmia grandiflora var. doloresensis"

(Tomb) S. L. Welsh

Rhodora 95: 399. 1993.

Common names: Dolores River skeletonplant
Endemic
Basionym: Lygodesmia doloresensis Tomb Syst. Bot. Monogr. 1: 48, fig. 49. 1980
Treatment appears in FNA Volume 19. Treatment on page 372. Mentioned on page 371.
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name=Lygodesmia grandiflora var. doloresensis
 
name=Lygodesmia grandiflora var. doloresensis
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Latest revision as of 19:53, 5 November 2020

Plants (solitary) 15–30 cm. Stems erect, much branched proximally, weakly striate proximally. Leaves: proximal blades linear-filiform, 30–140 × 1–3 mm; distal similar. Heads 2–5, borne singly. Involucres subcylindric, 18–20 × 4–5 mm, apices narrow. Phyllaries 5. Florets 5; corollas lavender, rose, or white. Cypselae 18 mm, abaxial faces smooth, adaxial weakly rugose bisulcate with ridge separating sulci. 2n = 18.


Phenology: Flowering Jun.
Habitat: Alluvial soil in Juniper grassland
Elevation: 1300–1500 m

Discussion

Of conservation concern.

Variety doloresensis is distinguished by its much-branched stems, almost filiform leaves, and smooth cypselae. It is known only from the Dolores River valley and is similar to var. dianthopsis, which is distinguished by being less branched and by having broader leaves.

Variety doloresensis is in the Center for Plant Conservation’s National Collection of Endangered Plants.

Selected References

None.

Lower Taxa

None.