Dalea urceolata var. lucida

Rupert C. Barneby

29b.  Dalea urceolata Greene var. lucida (Rose) Barneby

(Plate XLIX)

Stems (so far as known) erect, few-branched distally; leaflets mostly 9-14 pairs, of thicker texture than those of var. urceolata and more glaucous beneath; petals 1 (banner); stamens 7- 9. — Collections: 2 (o).

Xeric pine-forest and open grassland east of the forest belt, 2100- 2500 m., rare and local along e. piedmont of Sierra Madre and adjoining plains in centr. Durango. - Flowering September to November. — Material: Durango. Durango: typus. Guadalupe Victoria: s.-w. of Ignacio Allende, Gentry 6911 (MICH, NY).

Dalea urceolata Greene var. lucida (Rose ex Rydb.) Barneby, stat. nov., based on Parosela lucida (glossy, of the calyx) Rose ex Rydb., N. Amer. Fl. 24: 74. 1920.— "Type collected at Cajetes [fide McVaugh, 1956, p. 190 = Las Cajetas, an abandoned rancho, on road between Durango and Otinapa], Durango, 1896, Edward J. Palmer 955.."- Holotypus, US! — Dalea lucida (Rose ex Rydb.) Gentry, Madrono 10: 250. 1950.

References: [Article] Barneby, Rupert C. 1977. Daleae Imagines, an illustrated revision of Errazurizia Philippi, Psorothamnus Rydberg, Marine Liebmann, and Dalea Lucanus emen. Barneby, including all species of Leguminosae tribe Amorpheae Borissova ever referred to Dalea. Mem. New York Bot. Gard. 27: 1-892.

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