Plant Database

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Plant Characteristics

Duration: Perennial
Habit: Herb
Leaf Arrangement: Alternate
Fruit Type: Legume
Size Notes: "Stems 1-3.5 dm long." (bibref: 1812).
Leaf: "Leaf-spurs 0.3-0.6 mm long; stipules castaneous, becoming dry and fragile, subulate to triangular-subulate, 0.4-1.3 mm long; intrapetiolular gland 0; post-petiolular glands very small, sometimes impressed or obsolete; main cauline leaves (the lower drought-deciduous) 8-30 mm long, shortly petioled, with (3) 4-12 pairs of obovate to oblanceolate, obtuse leaflets (1.5) 2-5 mm long, charged dorsally around the margins with a row of small, sometimes scarcely visible glands." (bibref: 1812).
Flower: "Peduncles leaf-opposed, slender, incurved distally, (1) 1.5-3.5 cm long; racemes moderately dense, ovoid becoming oblong, without petals 8-9 mm diam, the flowers early nodding, the axis at length (0.5) 1-2.7 cm long; bracts herbaceous early becoming papery and deciduous before anthesis, lance-ovate beyond the cuneate base, 1.8-2.5 mm long, the margins gland-spurred; pedicels 0-.2-0.4 mm long; calyx 4.2-5 mm long, hirsutulous with spreading-ascending, straight hairs up to 0.45-0.6 mm long, the tube 1.1-22 mm long, its membranous intervals charged with a single row of small glands extending well beyond the sinuses of the teeth, the plane, herbaceous teeth more or less unequal, the lanceolate dorsal one longest, 2.1-3.1 mm long, the ventral pair slightly to decidedly shorter, 2-2.3 mm long; petals bicolored, the banner blade margined with lilac, pale and gland- sprinkled medially, the inner petals pale in outer half, lilac-striped in inner half, eglandular; banner 2.6-3.3 mm long, the claw 1.6-1.9 mm, the reniform to transversely oblong-cordate blade 1.3-1.8 mm long, 2.2-2.6 mm wide; wings 2.9-3.7 mm long, the claw 0.5-1.6 mm, the blade 2.6-3 mm long, 1.3-1.8 mm wide; keel 4.9-5.5 mm long, the claws 1.4-1.8 mm, the blades 3.6-4.1 mm long, 2-2.1 mm wide; androecium 10-merous, 4.5-5.2 mm long, the longer filaments free for 1.6-1.9 mm, the connective gland-tipped, the pinkish anthers 0.5-0.8 mm long." (bibref: 1812).
Fruit: "Pod about 3 mm long, essentially as in M. calycosa." (bibref: 1812).

Bloom Information

Bloom Color: Purple , Violet
Bloom Time: May , Jun , Jul , Aug , Sep , Oct
Bloom Notes: "Petals bicolored, the banner blade margined with lilac, pale and gland- sprinkled medially, the inner petals pale in outer half, lilac-striped in inner half." (bibref: 1812).

Distribution

USA: CA
Native Distribution: "Very local, known only from Sierra Juarez in northern Baja California and Santa Rosa Mountains in interior Riverside County, California." (bibref: 1812).
Native Habitat: "Gravelly hillsides, in chaparral and pinyon or Jeffrey pine forest, 1050-1725 m." (bibref: 1812).

Bibliography

Bibref 1812 - Daleae imagines : an illustrated revision of Errazurizia Philippi, Psorothamnus Rydberg, Marina Leibmann, and Dalea Lucanus emend. Barneby, including all species of Leguminosae tribe Amorpheae Borissova ever referred to Dalea (1977) Barneby, Rupert C.

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Additional resources

USDA: Find Marina orcuttii in USDA Plants
FNA: Find Marina orcuttii in the Flora of North America (if available)
Google: Search Google for Marina orcuttii