Mexico 2013 Flora de San Luis Potosi y Queretaro

Voucher:AN 413

Dalea bicolor Willd.

Location:San Luis Potosi, Cerro de San Miguelito, above Privadas de Pedregal. Canada de Lobos.
Coordinates: 22°05'50" N, 101°00'32" W Alt: 2230m

Shrub 2 m tall, shaped by grazing. Flowers purple, yellow and white. Standard yellow at base, white at apex. Lip and wings purple. Stamens orange. Calyx pinkish with light green lobes.
Disturbed sandy area grazed by horses and donkeys. Geology: igneous rock. Open area with Poaceae. Rocky SW-facing slope 20º. Growing within shelter of Opuntia.

Identification Notes: Verified with Calderon, G. & Rzedowski, J. 2001 'Flora fanerogamica del Valle de Mexico'. Flowers sessile in a lax spike >2 cm long. Calyx lobes longer than wide, lanceolate acuminate. Stems verrucose. Leaves pubescent.

Nova, J.A. de #413      11 June 2013

morphological details

inflorescence inflorescence

flowers flowers

flower flower

calyx calyx calyx calyx corolla corolla
flower section flower section gynoecium gynoecium androecium androecium
stipules stipules leaves leaves abaxial leaf surface abaxial leaf surface

additional pictures

flowers leaves
field picture
Herbarium voucher
Herbarium voucher

Other field pictures

flowering branch