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Photo is of parent taxon

chick lupine

Photo is of parent taxon

chick lupine

Bracts

with short to long, spreading hairs.

with short-appressed to long-spreading hairs.

Corolla

lavender to purple, becoming translucent;

wings persistent, broadly elliptic, lower and upper margins ciliate near claw;

lower keel margins ciliate near claw.

usually white to yellow, sometimes tinged pink or lavender, rarely rose or purple;

wings withering, oblanceolate, lower margins rarely ciliate near claw, upper margins usually ciliate near claw;

lower keel margins sometimes sparsely ciliate near claw.

Calyces

with appressed to spreading hairs;

appendages usually purplish, 1–2 mm.

with sparsely appressed to spreading hairs;

appendages usually absent.

Legumes

erect or spreading.

usually secund, sometimes spreading.

2n

= 48.

= 48.

Lupinus microcarpus var. horizontalis

Lupinus microcarpus var. densiflorus

Phenology Flowering late spring. Flowering late spring.
Habitat Desert washes, sandy or grav­elly areas. Open or disturbed areas, grasslands, roadbanks.
Elevation 100–1700 m. (300–5600 ft.) 0–1600 m. (0–5200 ft.)
Distribution
from FNA
CA
from FNA
AZ; CA; Mexico (Baja California)
Discussion

Variety horizontalis occurs in desert regions east of Inner South Coast Ranges (the western side of San Joaquin Valley) and the eastern Mojave Desert.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Variety densiflorus occurs widely in western and central California and is apparently localized in mountainous areas of Gila County, Arizona.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 11. FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Lupinus > Lupinus microcarpus Fabaceae > subfam. Faboideae > Lupinus > Lupinus microcarpus
Sibling taxa
L. microcarpus var. densiflorus, L. microcarpus var. microcarpus
L. microcarpus var. horizontalis, L. microcarpus var. microcarpus
Synonyms L. horizontalis, L. arenicola, L. densiflorus var. glareosus, L. horizontalis var. platypetalus L. densiflorus, L. densiflorus var. aureus, L. densiflorus subsp. lacteus, L. densiflorus var. lacteus, L. densiflorus var. menziesii, L. densiflorus var. versabilis
Name authority (A. Heller) Jepson: Fl. Calif. 2: 280. (1936) (Bentham) Jepson: Fl. Calif. 2: 279. (1936)
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