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arroyo lupine, hollowleaf annual lupine, succulent lupine

harlequin annual lupine, harlequin lupine

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

ascending or erect, branched or unbranched, usually succulent.

ascending or erect, branched near middle.

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;

petioles 2–8 cm;

leaflets usually 7, blades bright green, 20–50 × 5–15 mm, adaxial surface sparsely pubescent.

Racemes

15–25 cm;

flowers whorled.

dense, 5–10 cm;

flowers spirally arranged.

Peduncles

5–9 cm;

bracts deciduous, 3–5 mm.

8–18 cm;

bracts tardily deciduous, 3–5 mm.

Pedicels

3–7 mm.

1.5–4 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.

13–18 mm;

calyx abaxial lobe entire, 5–7 mm, adaxial lobe deeply cleft, 4–6 mm;

corolla banner yellow, wings usually pink, rarely white, keel white, lower and upper margins ciliate from claw to middle.

Legumes

3.5–5 cm, coarsely pubescent to tomentose.

2 cm, glabrous or glabrate.

Cotyledons

deciduous, petiolate.

deciduous, petiolate.

Seeds

6–9.

usually 5.

2n

= 48.

Lupinus succulentus

Lupinus stiversii

Phenology Flowering late winter–late spring (Feb–May). Flowering late spring (Apr–Jul).
Habitat Open or disturbed areas, roadbanks. Clearings, open areas, chaparral, oak woodlands, yellow pine forest.
Elevation 0–1300 m. (0–4300 ft.) 100–2200 m. (300–7200 ft.)
Distribution
from FNA
AZ; CA; Mexico (Baja California, Baja California Sur)
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[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 stiversii is found in the Sierra Nevada, the northern portion of Southern Coast Ranges (Monterey County), the San Gabriel Mountains, and the San Bernardino Mountains.

(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. 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. 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
Name authority Douglas ex K. Koch: Wochenschr. Vereines Beford. Gartenbaues Konigl. Preuss. Staaten 4: 277. (1861) Kellogg: Proc. Calif. Acad. Sci. 2: 192, fig. 58. (1863) — (as stiverii)
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