Contains 8 accepted taxa overall.
Characteristics
Classification
Citation
LUPINUS Linnaeus, Sp. Pl. 721. 1753.
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TYPE: Lupinus albus Linnaeus Lectotypified by Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 2: 347. 1913.
Species
| Scientific Name | Common Name | Status | Photos |
|---|---|---|---|
| Lupinus angustifolius | NARROWLEAF LUPINE | Not Native | |
| Lupinus diffusus | SKYBLUE LUPINE | Native | |
| Lupinus luteus | YELLOW LUPINE | Not Native | |
| Lupinus perennis | SUNDIAL LUPINE | Native | |
| Lupinus texensis | TEXAS BLUEBONNET | Not Native | |
| Lupinus villosus | LADY LUPINE | Native | |
| Lupinus westianus var. aridorum | BECKNER'S LUPINE; MCFARLIN'S LUPINE | Native Endemic Endangered-State Endangered-US | |
| Lupinus westianus var. westianus | GULF COAST LUPINE | Native Endemic Threatened-State |
[Family identification key]
1. Leaves 1-foliolate
2
1. Leaves 5- to 11-foliolate
6
2. Stipules 0-5 mm long
3
2. Stipules mostly 5-35 mm long
4
3. Corolla white to pink, the upper petal with a blackish maroon spot
3. Corolla pale lavender to blue, the upper petal with a maroon to dark blue spot
4. Corolla primarily of white, pink, and maroon colors; fruit with hairs to 5 mm long
4. Corolla primarily of white and blue colors; fruit with hairs to 3 mm long
5
5. Plants to 1.9 m tall (including the inflorescence); primary stem erect to 28 cm, above this developing ascending branches; leaf blade mostly broadly elliptic and rounded-truncate to acute at the base, surfaces silvery-sericeous green; fruits 27-42 mm long and 8.1-8.5 mm wide, with the external depressions obscured by hairs, the loose wooly hairs to ca. 3 mm long and rusty-tannish, partitions between the seeds absent
5. Plants to 0.7 m tall (including the inflorescence); primary stem very shortly erect with basal decumbent branches; leaf blade mostly obovate and attenuate to acute at the base, surfaces green to whitish- or grayish-villous green; fruits 35-47 mm long and 6.3-7.6 mm wide, with evident depressions externally, the light silky-brown hairs to ca. 2 mm long and mostly somewhat appressed and subparallel, with thin partitions between the seeds internally,
6. Corolla yellow
6. Corolla lavender to blue-purple
7
7. Leaflets mostly linear to oblong, 5-10 times long as wide
7. Leaflets mostly elliptic to obovate, 3-5 times long as wide
8
8. Rhizomatous perennial; leaves mostly 7- to 11-foliolate; corolla blue-violet to white or pink
8. Taprooted annual; leaves mostly 5- to 7-foliolate; corolla dark blue