Flora of North America species comparison

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Lupinus succulentus

arroyo lupine, hollowleaf annual lupine, succulent lupine
Habit Herbs, annual, sometimes persisting more than one season, (1–)2–10 dm, fleshy, sparsely pubescent.
Stems

ascending or erect, branched or unbranched, usually succulent.
Leaves

cauline, may be crowded at base on new growth;

petiole 6–15 cm;

leaflets 7–9, blades 20–60 × 7–20 mm, adaxial surface glabrous.
Racemes

15–25 cm;

flowers whorled.
Peduncles

5–9 cm;

bracts deciduous, 3–5 mm.
Pedicels

3–7 mm.
Flowers

12–18 mm;

calyx 4–7 mm, lobes ± equal, abaxial lobe entire, adaxial lobe cleft;

corolla usually blue-purple, rarely white, lavender, or pink, banner spot white, becoming magenta, upper wing margins ciliate near claw, lower and upper keel margins ciliate near claw.
Legumes

3.5–5 cm, coarsely pubescent to tomentose.
Cotyledons

deciduous, petiolate.
Seeds

6–9.
2n

= 48.

Lupinus succulentus
Phenology Flowering late winter–late spring (Feb–May).
Habitat Open or disturbed areas, roadbanks.
Elevation 0–1300 m. (0–4300 ft.)
Distribution
from FNA
AZ; CA; Mexico (Baja California, Baja California Sur)
[WildflowerSearch map]
[BONAP county map]
Discussion

Lupinus succulentus occurs widely throughout California except in the Great Basin and desert regions and extends into northern Mexico; it is introduced in Arizona. It may occasionally persist more than one season in Californian North Coast locations.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Lupinus
Sibling taxa
L. adsurgens, L. affinis, L. albicaulis, L. albifrons, L. andersonii, L. angustiflorus, L. antoninus, L. apertus, L. arboreus, L. arbustus, L. arcticus, L. argenteus, L. arizonicus, L. benthamii, L. bicolor, L. brevicaulis, L. breweri, L. cervinus, L. chamissonis, L. citrinus, L. concinnus, L. constancei, L. covillei, L. croceus, L. dalesiae, L. diffusus, L. duranii, L. elatus, L. elmeri, L. excubitus, L. flavoculatus, L. formosus, L. fulcratus, L. gracilentus, L. grayi, L. guadalupensis, L. havardii, L. hirsutissimus, L. huachucanus, L. hyacinthinus, L. kingii, L. kuschei, L. lapidicola, L. latifolius, L. lepidus, L. leucophyllus, L. littoralis, L. longifolius, L. ludovicianus, L. luteolus, L. magnificus, L. malacophyllus, L. microcarpus, L. nanus, L. neomexicanus, L. nevadensis, L. nipomensis, L. nootkatensis, L. obtusilobus, L. odoratus, L. onustus, L. oreganus, L. pachylobus, L. padrecrowleyi, L. peirsonii, L. perennis, L. polyphyllus, L. pratensis, L. pusillus, L. rivularis, L. sabineanus, L. sericatus, L. sericeus, L. shockleyi, L. sierrae-blancae, L. sparsiflorus, L. spectabilis, L. stiversii, L. subcarnosus, L. sulphureus, L. texensis, L. tidestromii, L. tracyi, L. truncatus, L. uncialis, L. villosus, L. westianus
Synonyms L. succulentus var. brandegeei, L. succulentus var. layneae
Name authority Douglas ex K. Koch: Wochenschr. Vereines Beford. Gartenbaues Konigl. Preuss. Staaten 4: 277. (1861)
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Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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