Wednesday, March 15, 2017

Lupinus truncatus (Collar Lupine, Blunt-Leaved Lupine)

 3/10/17 Hills above Minthorn Street, Lake Elsinore, Riverside County, CA

3/10/17 Hills above Minthorn Street, Lake Elsinore, Riverside County, CA

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


COMMON NAME: Collar Lupine, Blunt-Leaved Lupine

SPECIES: Lupinus truncatus

FAMILY: Fabaceae (Pea Family)

LIFE LIST DATE: 3/10/2017

LOCATION: Lake Elsinore, Riverside County, CA

Treatment from Jepson eFlora:

Habit: Annual 2--3(5) dm, finely hairy, generally appearing glabrous. 

Leaf: petiole 3--10 cm, flat, leaflet-like; leaflets 5--8, 20--40 mm, 2--5 mm wide, linear, adaxially glabrous, tip generally truncate. 

Inflorescence: 3--25 cm, flowers sparse, spiralled; peduncle 3--10 cm; pedicels 2--4 mm; bracts 2--5 mm, persistent. 

Flower: 8--13 mm; calyx 3--4 mm, lips +- equal, upper deeply lobed; banner, wings magenta, banner spot +- yellow, dark magenta in age, keel tip stout, blunt, upper, lower margins ciliate middle to claw. 

Fruit: +- 3 cm, 5 mm wide, hairy. 

Seed: 6--8. 

Ecology: Locally common. Openings in chaparral or woodland, burns; 

Elevation: < 1000 m. 

Bioregional Distribution: c&s CW, SW; 

Distribution Outside California: Baja California. 

Flowering Time: Mar--May 

eFlora Treatment Author: Teresa Sholars

1 comment:

  1. Do you know the origin of the common name 'collar' (aka 'collared')?