Plant Database

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Plant Characteristics

Duration: Perennial
Habit: Subshrub
Leaf Arrangement: Alternate
Fruit Type: Legume
Size Notes: "3-6 dm tall." (bibref: 1812).
Leaf: "Leaf-spurs 0.3-0.8 mm long; stipules subulate, pallid-green or whitish, 0.4-2 mm long, deciduous; intra- and post-petiolular glands prominent but small, blunt, purplish; primary cauline leaves 3-6 cm long, early deciduous and lacking from most flowering specimens (consequently little known), up to 3-6 cm long, with narrowly thick-margined, punctate rachis and 9-17 pairs of oblong-elliptic, elliptic, or obovate, nearly always emarginate, flat or shallowly navicular, obscurely or not dorsally carinate leaflets 2.5-8 mm long, the leaves of spurs shorter and simpler, 3-8 pairs, often smaller." (bibref: 1812).
Flower: "Spikes terminal to leafy spurs and branchlets, subsessile and short-pedunculate, moderately dense, ovoid-pyramidal becoming globose or shortly oblong, without petals or androecia 11-15 mm diam, the pilosulous axis 1-2 (2.5) cm long; bracts either persistent or tardily deciduous, (2.5) 3-5.5 mm long, narrowly elliptic- oblanceolate, attenuate both ends, pallid at base, distally green, thinly herbaceous, charged on back and margins with several subulate or prickle-shaped glands (sometimes a few obtuse or lens-like), dorsally pilosulous below middle or glabrous, ciliolate; pedicels 0 or obscure, subtended by minute gland-spicules; calyx 5.2-7.8 mm long, thinly pilosulous (pilose) with fine, spreading-ascending spiral hairs up to 0.8-1.2 mm long, the pale-golden, membranous tube 2.5-3.1 mm long, deeply recessed behind banner, the ribs filiform, not or scarcely prominent, concolorous, the pleated intervals glandless or charged with 1-2 minute glands, the narrowly lance-acuminate, green teeth of nearly equal length, the dorsal one 2.7-4.7 mm long (0.2-1.6 mm longer than tube), all resembling the bracts in texture and like them charged on back and margins with several subulate gland-prickles; petals bicolored, the banner opening whitish, early rubescent, the epistemonous ones rose-purple, inserted about 1.5-2 mm from hypanthium, all charged with a subapical gland but otherwise glandless; banner 6.2-6.7 mm long, the claw 3-3.2 mm, the openly flabellate blade hooded distally, thickened at base but scarcely recessed into a cornet; wings 6.4-7.8 mm long, the claw 1.7-2.4 mm, the oblong-obovate or lance-ovate blade 4.9-5.8 mm long, 2.23 mm wide; keel 7.7-9.5 mm long, the claws 2.7-3.8 mm, the broadly elliptic-obovate blades 5-6.2 mm long, 3.2-4.4 mm wide; androecium 8-9.5 mm long, the longer filaments free for about 2.6-3.5 mm, the connective gland-tipped, the anthers 0.75-0.95 mm long." (bibref: 1812).
Fruit: "Pod about 3 mm long, compressed, in profile triangular, the ventral suture longest, the style-base terminal, the prow slender-carinate, the valves glabrous and hyaline in lower half, thence thinly papery and pilosulous; seed about 1.5 mm long." (bibref: 1812).

Bloom Information

Bloom Color: White , Red , Pink , Purple
Bloom Time: Apr , May , Sep , Oct , Nov
Bloom Notes: "Petals bicolored, the banner opening whitish, early rubescent, the epistemonous ones rose-purple." (bibref: 1812).

Distribution

USA: AZ
Native Distribution: "Rare and local, known only from the Sierrita and Baboquivari mountains in Santa Cruz and adjoining Pima counties, Arizona." (bibref: 1812).
Native Habitat: "Open rocky slopes in the oak-belt, up to ± 1350 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 Dalea tentaculoides in USDA Plants
FNA: Find Dalea tentaculoides in the Flora of North America (if available)
Google: Search Google for Dalea tentaculoides