Tuesday, March 26, 2019

Lupinus bicolor (Miniature Lupine)

3/24/17 Dripping Springs Campground, Cleveland National Forest, 
SW Riverside County, CA

3/14/19 Trail off Concordia Ranch Road, Lake Elsinore,
Riverside County, CA


COMMON NAME: Miniature Lupine

SPECIES: Lupinus bicolor

FAMILY: Fabaceae (Pea Family)


LOCATION: Dripping Springs Campground, Cleveland National Forest, SW Riverside County, CA

Treatment from Jepson eFlora:
Habit: Annual (may live 2 seasons in NCo), 1--4 dm, hairy. 

Leaf: petiole 1--7 cm; leaflets 5--7, 10--40 mm, 1--5 mm wide, occasionally linear, adaxially generally +- glabrous. 

Inflorescence: 1--8 cm, flowers in (0)5 whorls; peduncle 3--10 cm; pedicels 1--3.5 mm; bract 4--6 mm. 

Flower: 4--10 mm; calyx upper lip 2--4 mm, deeply lobed, lower 4--6 mm; petals generally blue (light blue, pink, or white), banner spot white, in age magenta, keel +- white, generally pointed, upper margins generally ciliate near tip. 

Fruit: 1--3 cm, generally 3--6 mm wide, hairy. 

Seed: 5--8. 

Ecology: Abundant. Open or disturbed areas; 

Elevation: < 1600 m. 

Bioregional Distribution: CA-FP, DMoj; 

Distribution Outside California: to British Columbia, Baja California; naturalized in Arizona. 

Flowering Time: Mar--Jun 

Note: Highly variable, needs study; named subspecies and varieties +- indistinct in geography, morphology. Vigorous plants with larger flowers may be confused with Lupinus nanus

Jepson eFlora Author: Teresa Sholars & Rhonda Riggins

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