Mexico 2013 Flora de San Luis Potosi y Queretaro

Voucher:AN 434

Tauschia nudicaulis Schltdl.

Location:Queretaro, Lagunita de San Diego.
Coordinates: 21°24'53" N, 99°07'45" W Alt: 2129m

Small herb. Stems and petioles purple or purple tinged. Flowers bright yellow. Thick, tuberous taproot smells strongly of carrot when cut.
Pinus forest with Pinus gregii, Arbutus xalapensis, Cupressus lusitanica, Rhus aromatica, Litsea glaucescens, Quercus obtusata, Q. affinis, Cornus, Aphananthe. Growing in a clearing, under Pinus with Asteraceae.

Identification Notes: Verified with Calderon, G. & Rzedowski, J. 2001 'Flora fanerogamica del Valle de Mexico'. Leaves mostly basal. Leaves once pinate with oblong leaflets. Leaflets margin crenate. Inflorescence compound, bracts lacking but a few bracteoles present. Flowers mostly male? with a conpsicuous lobed stylopodium. Corolla yellow.

Nova, J.A. de #434      13 June 2013

morphological details

umbel umbel umbel rays umbel rays umbel umbel
flowers flowers male flower male flower male flower bud male flower bud
stylopodium stylopodium male flower male flower androecium androecium
nectary disc nectary disc stem base stem base leaf sheath leaf sheath
leaf rachis leaf rachis adaxial leaf surface adaxial leaf surface abaxial leaf surface abaxial leaf surface
field picture
Herbarium voucher
Herbarium voucher

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