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pine lupine, sickle-keeled lupine

Habit Plants perennial, 3–9(12) dm.
Stems

erect, not woody, strigose to hirsutulous.

Leaves

cauline; lower leaves generally withered by flowering;

leaflets 5–10, 15–70 × 2–23 mm, linear-oblanceolate, elliptic, or broadly oblanceolate;

tips acute, often apiculate;

surfaces strigose, sometimes glabrate adaxially;

petioles 14–70 mm.

Inflorescences

9.3–15(25) cm;

peduncles 2–12 cm;

pedicels 2–7 mm.

Flowers

calyces 5–15 mm, not spurred;

lips unequal to subequal;

corollas 7–15 mm, light purple to light blue, occasionally cream or yellow;

banners pinched type;

margins usually tightly inrolled; spot absent.

Fruits

2–5 cm, villous.

Seeds

3–8.

Lupinus shockleyi

Lupinus albicaulis

Distribution
[WildflowerSearch map]
[BONAP county map]
[WildflowerSearch map]
[BONAP county map]
Discussion

This species may hybridize with L. arbustus, L. latifolius, L. oreganus, and L. tracyi.

Source Flora of Oregon, volume 2 draft
Paul Severns, Stephen Meyers, Christopher Royce
Sibling taxa
L. affinis, L. albicaulis, L. albifrons, L. arboreus, L. arbustus, L. arbustus x Lupinus oreganus, L. arbustus x Lupinus sericeus, L. argenteus, L. bicolor, L. brevicaulis, L. breweri, L. latifolius, L. lepidus, L. leucophyllus, L. leucophyllus x Lupinus sericeus, L. littoralis, L. luteolus, L. microcarpus, L. nevadensis, L. onustus, L. oreganus, L. polyphyllus, L. pusillus, L. rivularis, L. sabinianus, L. sericeus, L. sulphureus, L. tracyi, L. uncialis
L. affinis, L. albifrons, L. arboreus, L. arbustus, L. arbustus x Lupinus oreganus, L. arbustus x Lupinus sericeus, L. argenteus, L. bicolor, L. brevicaulis, L. breweri, L. latifolius, L. lepidus, L. leucophyllus, L. leucophyllus x Lupinus sericeus, L. littoralis, L. luteolus, L. microcarpus, L. nevadensis, L. onustus, L. oreganus, L. polyphyllus, L. pusillus, L. rivularis, L. sabinianus, L. sericeus, L. sulphureus, L. tracyi, L. uncialis
Subordinate taxa
L. albicaulis var. albicaulis, L. albicaulis var. shastensis
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