Mexico 2013 Flora de San Luis Potosi y Queretaro

Voucher:AN 405

Cistaceae
Helianthemum patens Hemsl.

Location:San Luis Potosi, Cerro de San Miguelito, above Privadas de Pedregal.
Coordinates: 22°05'09" N, 100°59'58" W Alt: 2324m

Shrub 10-30 cm tall. Flowers yellow, 12 mm diameter. Anthers orange. Sepals tinged pink, 3 large, 2 narrow.
Quercus woodland (encino), canopy 3-4 m tall, with Dasylirion, Arctostaphylos and Salvia. Geology: igneous rock. Growing in rocks, gravel and sand in open areas.

Identification Notes: Verified with Graciela Calderón de Rzedowsk 1992 'Flora del Bajio y de Regiones Adyacentes' Vol. 2. Plant densely stellate pubecsent. Flowers solitary and axillary not in terminal inflorescences. Sepals 3 sometimes with 2 reduced ones. Stamens more than 10, style short and stigmas feathery.

Nova, J.A. de #405      11 June 2013

morphological details

flower flower androecium, gynoecium androecium, gynoecium calyx calyx
calyx calyx androecium, gynoecium androecium, gynoecium gynoecium gynoecium
stem stem adaxial leaf surface adaxial leaf surface abaxial leaf surface abaxial leaf surface
field picture
habitat
Herbarium voucher
Herbarium voucher

Other field pictures

flower
flower