Astragalus montii

S. L. Welsh

Great Basin Naturalist 38: 11. 1978.

Common names: Heliotrope milkvetch
EndemicConservation concern
Synonyms: Astragalus limnocharis var. montii (S. L. Welsh) Isely
Treatment appears in FNA Volume 11.

Plants 1–5 cm, strigose; from superficial or slightly subterra­nean branched caudex. Stems clustered, ascending to erect, strigose. Leaves 1.3–4.8 cm; stipules 2–4 mm; leaflets 5–13, blades lanceolate to oblong or elliptic, 2–8 mm, margins involute and not ciliate, sur­faces strigose abaxially, glabrous adaxially. Peduncles reclined in fruit, 0.8–4.5 cm. Racemes 2–8-flowered, flowers ascending to spreading; axis 0.2–0.5 cm in fruit; bracts 1–3 mm; bracteoles 0. Pedicels 0.8–1.5 mm. Flowers 7.2–8 mm; calyx 3.3–4 mm, strigose, tube 2.2–2.5 mm, lobes triangular-subulate, 0.6–1.5 mm; corolla pink-purple, wing tips white. Legumes mottled, straight or nearly so, ovoid, 11–18 × 8–12 mm, membranous, opaque, strigose. Seeds 10.


Phenology: Flowering Jul–Aug.
Habitat: Openings in spruce-fir forests, plateau margins.
Elevation: 3300–3500 m.

Distribution

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Utah.

Discussion

Astragalus montii is a near, though disjunct, congener of A. limnocharis from Sanpete and Sevier counties. It is in the Center for Plant Conservation’s National Collection of Endangered Plants.

Selected References

None.

Lower Taxa

None.
... more about "Astragalus montii"
Stanley L. Welsh +
S. L. Welsh +
Astragalus subg. M. +
Heliotrope milkvetch +
3300–3500 m. +
Openings in spruce-fir forests, plateau margins. +
Flowering Jul–Aug. +
Great Basin Naturalist +
Endemic +  and Conservation concern +
Astragalus limnocharis var. montii +
Astragalus montii +
Astragalus sect. Jejuni +
species +