Mexico 2013 Flora de Durango y Jalisco

Voucher:SG 502

Iridaceae
Tigridia mexicana Molseed subsp. mexicana

Location:Durango, Cienéga de los Caballos. La Michilia Biosphere Reserve.
Coordinates: 23°26'33" N, 104°15'50" W Alt: 2571m

Geophyte 5 cm tall. Flowers yellow with brown spots.
Pinus and Quercus forest with Pinus durangensis, Pinus arizonica, Quercus sideroxyla, Juniperus deppeana and Arbutus bicolor. Growing at forest edge in open area with Poaceae, and in rocks alongside stream bed. Sandy soil.

Identification Notes: Verified with Molseed, E. (1970) The Genus Tigridia (Iridaceae) of Mexico and Central America. Subgenus Tigridia: nectary in convolute marginal groove at base of inner tepals. Basal leaves present but not much developed. Staminal column 7 mm long. Blade of inner tepals hastate and acuminate.

González, S. #502      20 June 2013

morphological details

bract bract

staminal column staminal column

tepals tepals

inner tepal inner tepal styles styles styles styles
staminal column section staminal column section ovary ovary bulb base bulb base
leaf sheath leaf sheath leaves leaves leaf section leaf section

additional pictures

flowers flower
flower flower
field picture
habitat
Herbarium voucher
Herbarium voucher

Other field pictures

habitat
flowers
flowers