Flora of North America species comparison

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Astragalus trichopodus var. lonchus
Photo is of parent taxon

ocean milkvetch, Santa Barbara milkvetch, Southern California milkvetch
Racemes

(12–)15–36-flowered;

axis (2–)3.5–11 cm in fruit.
Peduncles

(5.5–)8–20(–30) cm.
Flowers

11.3–19 mm;

corolla rarely veined pale pink or purple.
Legumes

not or slightly laterally compressed, bladdery-inflated, lateral faces convexly rounded, greatly oblique, ovoid, semi-ovoid, semi-ellipsoid, or lunately so, (17–)20–40(–45) × (8–)10–18(–21) mm, sutures more convex dorsally, usually openly sulcate ventrally and straight, shallowly or low-convex, usually finely strigulose, rarely glabrous distally or throughout, hairs often white, sometimes fuscous;

gynophore mostly 8–12 mm.
2n

= 22.

Astragalus trichopodus var. lonchus
Phenology Flowering Feb–Jun (fall–winter).
Habitat Coastal bluffs, mesas, and sandy fields near the sea, shale cliffs or descending to shingle banks behind barrier beaches.
Elevation 0–80(–500) m. (0–300(–1600) ft.)
Distribution
from FNA
CA; Mexico (Baja California)
[BONAP county map]
Discussion

Variety lonchus has a largely coastal distribution from Morro Bay in San Luis Obispo County southward to the Santa Maria Plains in northern Baja California.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Astragalus > sect. Trichopodi > Astragalus trichopodus
Sibling taxa
A. trichopodus var. antisellii, A. trichopodus var. trichopodus
Synonyms A. leucopsis var. lonchus
Name authority (M. E. Jones) Barneby: Mem. New York Bot. Gard. 13: 821. (1964)
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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