Flora of North America species comparison

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Lupinus malacophyllus

jawleaf lupine
Habit Herbs, annual, 0.7–1.6 dm, softly villous, with fine, spreading hairs, hairs more than 1 mm.
Stems

ascending or erect, branched or unbranched.
Leaves

basal and cauline;

stipules well developed;

petiole 1.5–4.5 cm;

leaflets 5–7, blades 7–22 × 3–6 mm, adaxial surface softly villous.
Racemes

well exserted, several–many-flowered, 3–7 cm;

flowers crowded, whorled proximally, becoming spirally arranged distally.
Peduncles

2–5.5 cm;

bracts persistent, 5–7 mm.
Pedicels

2–4 mm.
Flowers

8–10 mm;

calyx 5–8 mm, lobes unequal, adaxial lobe less than 1/2 as long as abaxial;

corolla blue or whitish and blue-tipped, keel glabrous.
Legumes

not obviously undulate, 1–1.3 cm, softly villous-pilose.
Cotyledons

persistent or deciduous, disclike, sessile, leaving a circular scar.
Seeds

2.

Lupinus malacophyllus
Phenology Flowering spring–early summer (mid Apr–Jun).
Habitat Colonial in openings among sagebrush on sandy or grav­elly flats and foothill slopes.
Elevation 1400–1800 m. (4600–5900 ft.)
Distribution
from FNA
NV
[BONAP county map]
Discussion

Lupinus malacophyllus is known from Washoe and adjacent counties.

(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. 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
Name authority Greene: Pittonia 1: 215. (1888)
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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