Plant Database

From the Image Gallery

Plant Characteristics

Duration: Annual
Habit: Herb
Leaf Arrangement: Alternate
Fruit Type: Legume
Leaf: "Stipular spurs up to 1 mm long, the blades triangular-subulate, 0.7-1.7 (2) mm long; intrapetiolular glands setiform, sometimes minute, brown or livid; post-petiolular glands small but prominent; leaves 1.5-7 cm long, subsessile or very shortly petioled, with narrowly winged rachis and (3) 5-14 pairs of petiolulate, oblong-oblanceolate, very obtuse to emarginate or retuse leaflets 2.5-9.5 mm long." (bibref: 1812).
Flower: "Peduncles 0.5-7.5 (12) cm long; spikes ovoid-oblong, the larger becoming cylindroid, without petals or androecia about 9-10.5 mm diam, the thinly pilosulous or glabrate axis becoming 0.8-4 (5) cm long; bracts dimorphic, the lowest 2-3 larger, firmer, and more persistent than the rest, the interfloral ones deciduous, broadly ovate -acuminate or -caudate, 2-5 mm long, all glabrous, pallid or livid except for membranous margin, more or less gland-dotted dorsally, the body either a little longer or shorter than the tail; calyx sessile, before anthesis campanulate, during anthesis becoming ovoid-ellipsoid, a little constricted at the mouth, 3.5-6 mm long, the externally glabrous tube (2.4) 2.6-3.4, in fruit sometimes up to 4.5 mm long, deeply recessed behind the banner, the subfiliform but prominent ribs usually livid, the intervals hyaline, glossy, charged with 1 row of large, oblong-elliptic, orange glands, the teeth triangular or deltate-cuspidate to triangular-acuminate, ciliate like the adaxial sinus with soft, rufescent hairs, pilosulous within, the ventral pair 0.7-2.4 mm long, the rest commonly a trifle shorter; petals 1-3, pale blue to milky white, eglandular, the epistemonous pair, when present, perched near middle of androecium; banner 3.8-5.5 mm long, spatulate, the ovate-elliptic or -subcordate, nearly erect blade 2.2-2.8 mm long, 1.4-2.2 mm wide; inner petals 1.4-2.2 (2.6) mm long, subsymmetrically oblanceolate, very shortly clawed, not or scarcely auriculate, fugacious; androecium 5-10-merous, 4.2-6 mm long, all or only five anthers functional, or some of the alternate ones functional but much smaller, the longer filaments free and blue-tinged for about 0.8-1.2 mm." (bibref: 1812).
Fruit: "Pod (little known) obliquely obovoid, about 2.5 mm long, the valves thinly papery or submembranous, gland-sprinkled distally, finally separating along the sutures; seed about 1.5 mm long." (bibref: 1812).

Bloom Information

Bloom Color: White , Blue
Bloom Time: Aug , Sep , Oct
Bloom Notes: "Petals pale blue to milky white." (bibref: 1812).

Distribution

USA: AZ , NM
Native Distribution: "Rare and seldom collected, east slope of Sierra Madre Occidental in southern and central Chihuahua; headwaters of Gila River in southwestern New Mexico, northwestward along the Mogollon mountain system to southern Coconino County, Arizona." (bibref: 1812).
Native Habitat: "Xeric pine-forest, 2050-2550 m ( ± 6800-8500 ft)." (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 urceolata in USDA Plants
FNA: Find Dalea urceolata in the Flora of North America (if available)
Google: Search Google for Dalea urceolata