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|Jepson eFlora: Taxon page
Key to families | Table of families and genera
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|Family: Fabaceae (Leguminosae)||View Description||Dichotomous Key|
|Genus: Lupinus||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Lupinus luteolus Kellogg
Habit: Annual 3--7.5 dm, sparsely hairy or in age glabrous, appearing glaucous; cotyledons disk-like, persistent, or leaving circular scar. Stem: hard, rigid. Leaf: petiole 2--5 cm; leaflets 7--9, 10--30 mm, 4--9 mm wide, adaxially generally hairy (except e KR). Inflorescence: 5--22 cm, flowers in generally crowded whorls; peduncle 4--15 cm; pedicels 1--3 mm; bracts 5--11 mm, reflexed, hairy, persistent. Flower: 10--16 mm; calyx upper lip 3--5 mm, lower 6--10 mm, appendages generally 0; petals generally pale yellow (+- pink or bright blue), wings generally ciliate on upper (lower) margins near claw, keel upper, lower margins equally +- densely ciliate. Fruit: spreading, 1--1.5 cm, +- 10 mm wide, ovate, hairy. Seed: 2, dark brown, tubercled.
Ecology: Clearings, open or disturbed areas; Elevation: < 1900 m. Bioregional Distribution: NW, CaRF, e SnFrB and n SCoRI (Diablo Range), w WTR; Distribution Outside California: Oregon. Flowering Time: May--Aug
eFlora Treatment Author: Teresa Sholars
Jepson Online Interchange
Previous taxon: Lupinus ludovicianus
Next taxon: Lupinus magnificus
Citation for this treatment: Teresa Sholars 2016. Lupinus luteolus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=31956, accessed on December 07, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on December 07, 2016.