Flora of North America species comparison

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Astragalus cusickii var. packardiae
Photo is of parent taxon

Packard's milkvetch
Habit Plants from shallow subterranean or superficial caudex; distal leaves foliose, reduced to naked rachis distally.
Leaves

stipules connate-sheathing at proximal nodes, distinct at distal nodes;

leaflets (5 or)7–11(or 13), blades to 5–18(–27) mm, surfaces strigulose adaxially (often densely so);

terminal leaflet continuous with rachis.
Flowers

calyx 3.7–4.3 × 3–5 mm;

corolla purplish;

banner 8.5–10.5 mm.
Legumes

not or faintly mottled, becoming stramineous, narrowly ellipsoid, 20–45 mm, 7–10 mm wide when pressed;

stipe 3–5 mm.
Seeds

10–20.
2n

= 22.

Astragalus cusickii var. packardiae
Phenology Flowering May–Jun.
Habitat Bare clay hillsides.
Elevation 800–1000 m. (2600–3300 ft.)
Distribution
from FNA
ID
[BONAP county map]
Discussion

Variety packardiae is known from Dry Creek in Payette County.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Astragalus > sect. Cusickiani > Astragalus cusickii
Sibling taxa
A. cusickii var. cusickii, A. cusickii var. flexilipes, A. cusickii var. sterilis
Name authority Barneby in A. Cronquist et al.: Intermount. Fl. 3(B): 78, plate [p. 79], fig. s.n. [upper right]. (1989)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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