Flora of North America species comparison

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Lupinus hyacinthinus

hyacinth lupine, San Jacinto lupine
Habit Herbs, perennial, 4–10 dm, gray becoming green, sparsely hairy.
Stems

erect, unbranched or branched distally.
Leaves

cauline;

stipules not leaflike, green to silvery, 5–16 mm;

petiole 3–6 cm;

leaflets 7–12, blades 30–80 × 4–8 mm, adaxial surface sparsely pubescent.
Racemes

4–22 cm;

flowers ± whorled.
Peduncles

3–12 cm;

bracts deciduous, 5–9 mm.
Pedicels

2–6 mm.
Flowers

13–16 mm;

calyx bulge or spur 0–1 mm, abaxial lobe entire or 3-toothed, 7–11 mm, adaxial lobe 2-toothed, 6–10 mm;

corolla light blue to purple, banner patch yellowish to white, banner glabrous abaxially, keel upcurved, glabrous, banner ovate, wings wide, covering keel tip.
Legumes

3–4 cm, silky.
Cotyledons

deciduous, petiolate.
Seeds

3–7, beige, speckled brown, 4–6 mm.

Lupinus hyacinthinus
Phenology Flowering Jun–Aug.
Habitat Dry slopes, under yellow pines and white fir.
Elevation 2000–3500 m. (6600–11500 ft.)
Distribution
from FNA
CA; Mexico (Baja California)
[WildflowerSearch map]
[BONAP county map]
Discussion

Lupinus hyacinthinus is found in southern California in the San Gabriel, San Jacinto, and Santa Rosa mountains and on the Sierra San Pedro Mártir in Baja California. It is distinguished from its close relatives by its larger flowers in combination with green (versus gray or dull green) leaves.

(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. 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. albicaulis var. hyacinthinus, L. andersonii var. sublinearis, L. formosus var. hyacinthinus
Name authority Greene: Leafl. Bot. Observ. Crit. 2: 85. (1910)
Web links 
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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