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arroyo lupine, hollowleaf annual lupine, succulent lupine

fleshy lupine

Habit Herbs, annual, sometimes persisting more than one season, (1–)2–10 dm, fleshy, sparsely pubescent. Herbs, annual, 2–5 dm, pubescent.
Stems

ascending or erect, branched or unbranched, usually succulent.

ascending or erect, branched or unbranched.

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.

cauline;

petiole 3–10 cm;

leaflets 5–8, blades 20–50 × 4–11 mm, adaxial surface pubescent.

Racemes

15–25 cm;

flowers whorled.

10–40 cm;

flowers whorled.

Peduncles

5–9 cm;

bracts deciduous, 3–5 mm.

5–18 cm;

bracts deciduous, 5–7.5 mm.

Pedicels

3–7 mm.

3–6 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.

8–12 mm;

calyx 5–7 mm, lobes ± equal, entire;

corolla blue, banner spot white, upper keel margins with a tooth near middle, ciliate from tooth to near apex, banner width equal to or greater than length.

Legumes

3.5–5 cm, coarsely pubescent to tomentose.

3–5 cm, coarsely pubescent.

Cotyledons

deciduous, petiolate.

deciduous, petiolate.

Seeds

6–9.

5–8.

2n

= 48.

Lupinus succulentus

Lupinus affinis

Phenology Flowering late winter–late spring (Feb–May). Flowering late winter–spring.
Habitat Open or disturbed areas, roadbanks. Uncommon in open areas.
Elevation 0–1300 m. (0–4300 ft.) 0–800 m. (0–2600 ft.)
Distribution
from FNA
AZ; CA; Mexico (Baja California, Baja California Sur)
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; OR
[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.)

Lupinus affinis is mostly a coastal species that occurs from the San Francisco Bay region northward to Lane County, Oregon.

Lupinus affinis intergrades with L. nanus and can be confused with L. littoralis var. variicolor, a perennial species with a toothed keel.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 11. FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Lupinus 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
L. adsurgens, 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. succulentus, 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 L. affinis var. carnosulus, L. carnosulus, L. nanus var. carnosulus
Name authority Douglas ex K. Koch: Wochenschr. Vereines Beford. Gartenbaues Konigl. Preuss. Staaten 4: 277. (1861) J. Agardh: Syn. Lupini, 20. (1835)
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