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 | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Lupinus angustifolius | NARROWLEAF LUPINE | Not Native | ||
| Lupinus aridorum | BECKNER'S LUPINE; MCFARLIN'S LUPINE | Native Rare-State Endangered-US | ||
| 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. westianus | GULF COAST LUPINE | Native Threatened-State |
Identification Key
1. Leaves 5- to 11-foliolate
2
1. Leaves 1-foliolate
5
2. Corolla yellow
2. Corolla lavender to blue-purple
3
3. Leaflets mostly linear to oblong, 5-10 times long as wide
3. Leaflets mostly elliptic to obovate, 3-5 times long as wide
4
4. Rhizomatous perennial; leaves mostly 7- to 11-foliolate; corolla blue-violet to white or pink
4. Taprooted annual; leaves mostly 5- to 7-foliolate; corolla dark blue
5. Stipules 0-5 mm long
6
5. Stipules mostly 5-35 mm long
7
6. Robust plants averaging 45-60 cm tall; leaf blades mostly 5.0-6.5 cm long, 2.5-3.0 cm wide; corolla white to pink, the upper petal with a blackish maroon spot
6. robust plants averaging 60-85 cm tall; leaf blades mostly 7.5-9.0 cm long, 3.5-4.5 cm wide; corolla pale lavender to blue, the upper petal with a maroon to dark purplish blue spot
7. Corolla primarily of white, pink, and light blue colors, the upper petal with dark spots along the middle; fruit with hairs to 5 mm long
7. Corolla primarily of white and blue colors, the upper petal with light or white spots along the middle; fruit with hairs to 3 mm long
8
8. Plant mat-forming, of small clumps, mostly 25-80 cm wide; petioles 6-8 cm long; leaf blades mostly 3-4(5) times longer than wide (L. diffusus s.str.)
8. Plant erect and branched above ground or mat-forming of large clumps, typically 90-130 cm wide; petioles mostly 3-6 cm long (rarely to 10 cm); leaf blades mostly 1.8-2.9 times longer than wide (L. cumulicola s.lat.)
9
9. Plants (20)26-45(72) cm tall, 1.9-4.1 mat-forming, the main stems prostrate, branched at or near ground level, first branch 0-8(14) cm aboveground, branches mostly decumbent, ascending only at their leafy tips; free portion of stipules (13)17-25(39) mm long
10
9. Plants (25)50-90(200) cm tall, erect, the main stem erect, branched above ground level, first branch (0)4-15(34) cm aboveground; free portion of stipules (0)8-14(23) mm long
11
10. Plants with dense, short, appressed pubescence, the green surface of the leaves evident; petioles (40)50-65(100) mm long; mature fruit (17)20-27(35) mm long, (6)6.7-7.0(8) mm wide; central to north peninsula
10. Plants with dense, spreading, whitish-villous pubescence, mostly obscuring the leaf surface; petioles (18)32-45(70) mm long; mature fruit (18)36-44(54) mm long, (8)10-12(17) mm wide; central-west and southwest peninsula
11. Leaf blades densely silvery-silky appressed pubescent, the hairs totally obscuring the leaf surface, (26)35-45(58) mm wide, mostly 1.8-2.1 times longer than wide; Lake Wales Ridge region
11. Leaf blades moderately appressed pubescent, the hairs not obscuring the green leaf surface, (15)25-32(44) mm wide, mostly 2.4-2.9 times longer than wide; central-east and southeast peninsula
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
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