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|Jepson eFlora: Taxon page
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|Family: Fabaceae (Leguminosae)||View Description||Dichotomous Key|
|Genus: Lupinus||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Lupinus sparsiflorus Benth.
Habit: Annual 2--4 dm, short-appressed- and long-spreading-hairy. Leaf: petiole 3--4 cm; leaflets 7--11, 15--30 mm, 2--4 mm wide, linear to oblanceolate, adaxially hairy at least near margins. Inflorescence: 15--20 cm, flowers spiraled, occasionally appearing +- whorled; peduncle 2--4 cm; pedicels 2--4 mm; bracts 3--5 mm, < buds, generally deciduous. Flower: generally 10--12 mm; calyx 3--6 mm, lips +- equal, upper deeply lobed; petals generally blue (+- pink), drying darker, banner spot +- white, in age magenta, keel lower and often upper margins ciliate near claw. Fruit: 1--2 cm, +- 5 mm wide, coarsely hairy. Seed: 4--5.
Ecology: Locally common. Washes, sandy areas; Elevation: < 1300 m. Bioregional Distribution: s SCoR, SW, DMoj; Distribution Outside California: to Utah, Arizona, northern Mexico. Flowering Time: Mar--May
Unabridged Note: If recognized taxonomically, plants in southwestern SCo (flowers +- pink, leaflets truncate) assignable to Lupinus sparsiflorus subsp. inopinatus (C.P. Sm.) Dziek. & D.B. Dunn; plants in DMoj (flowers often smaller) to Lupinus sparsiflorus subsp. mohavensis Dziek. & D.B. Dunn.
eFlora Treatment Author: Teresa Sholars
Jepson Online Interchange
Previous taxon: Lupinus shockleyi
Next taxon: Lupinus spectabilis
Citation for this treatment: Teresa Sholars 2016. Lupinus sparsiflorus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=32087, accessed on May 25, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 25, 2016.