Flora of North America species comparison

The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

Astragalus trichopodus var. lonchus

Astragalus sect. Trichopodi
Photo is of parent taxon

ocean milkvetch, Santa Barbara milkvetch, Southern California milkvetch
Habit Herbs perennial, clump-forming, caulescent; caudex superficial.
Stems

several to many.
Leaves

odd-pinnate, short-petiolate or subsessile;

leaflets (15–)21–35(–39).
Racemes

(12–)15–36-flowered;

axis (2–)3.5–11 cm in fruit.

loosely flowered, flowers spreading or nodding.
Peduncles

(5.5–)8–20(–30) cm.

Flowers

11.3–19 mm;

corolla rarely veined pale pink or purple.

Corollas

whitish, cream, or ochroleucous, banner purple-veined, or keel apex slightly purplish, banner slightly recurved or recurved through 40–45°, keel apex blunt or sharply deltate.
Calyx

tubes campanulate.
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.

persistent, stipitate, pendulous or spreading, linear-ellipsoid to broadly and obliquely ovoid-ellipsoid or semi-ovoid, compressed laterally and 2-sided, or bladdery-inflated, unilocular.
Seeds

(10–)12–30.
Hairs

basifixed.
Stipules

distinct or at proximal nodes connate.
2n

= 22.

Astragalus trichopodus var. lonchus

Astragalus sect. Trichopodi
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]
nw Mexico; California
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.)

Species 2 (2 in the flora).

Section Trichopodi consists of two species, with distribution in the South Coast Ranges, western edge of the Great Valley, and in southern California coast and islands, southward to northern Baja California.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 11. FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Astragalus > sect. Trichopodi > Astragalus trichopodus Fabaceae > subfam. Faboideae > Astragalus
Sibling taxa
A. trichopodus var. antisellii, A. trichopodus var. trichopodus
Subordinate taxa
Synonyms A. leucopsis var. lonchus Phaca
Name authority (M. E. Jones) Barneby: Mem. New York Bot. Gard. 13: 821. (1964) (Rydberg) Barneby: Mem. New York Bot. Gard. 13: 816. (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).



Type/paste one or more Latin names into the boxes above; matching taxa will show up below the box as you type. You can use the up/down arrow keys to move through the list.

(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Apiaceae, Boraginaceae, and Polemoniaceae.)

Choose a data source: Flora of North America

The species comparison tool is brought to you by:
Northwest Wildflowers