Mexico 2013 Flora de San Luis Potosi y Queretaro

Voucher:AN 420

Turnera diffusa Willd. ex Schult.

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

Prostrate to ascending shrub 10 cm tall. Flowers yellow, 1 cm in diameter.
Disturbed sandy area grazed by horses and donkeys. Geology: igneous rock. Growing on rocky NE-facing 10º slope in sandy pockets between rocks.

Identification Notes: Verified with Rzedowski, G.C. 1999 'Flora del Bajio y de regiones adyacentes' Vol. 80. Aromatic shrub. Plant pubescent to sericeous hairy. Leaves with extrafloral nectaries at the base. Flower solitary and subsessile, bracts lanceolate and persistent in fruit. Flowers heterostylous, corolla infundibuliform yellow. Capsule pubescent, seeds few and alveolate.

Nova, J.A. de #420      11 June 2013

morphological details

flower flower flower flower flower section flower section
ovary ovary capsule capsule seed seed
seed seed seed seed stem stem
adaxial leaf surface adaxial leaf surface abaxial leaf surface abaxial leaf surface abaxial leaf surface abaxial leaf surface
field picture
Herbarium voucher
Herbarium voucher

Other field pictures

flower buds