Mexico 2013 Flora de San Luis Potosi y Queretaro

Voucher:AN 441

Rubiaceae
Stenaria nigricans (Lam.) Terrell

Location:Queretaro, Lagunita de San Diego.
Coordinates: 21°24'59" N, 99°07'45" W Alt: 2141m

Small herb, erect to procumbent. Flowers white with two small pink markings are the base of each corolla lobe. Corollas four or five lobed on the same plant.
Pinus forest with Pinus gregii, Arbutus xalapensis, Cupressus lusitanica, Rhus aromatica, Litsea glaucescens, Quercus obtusata, Q. affinis, Cornus, Aphananthe. Growing under dead Pinus with Oxalis and Lamiaceae.

Identification Notes: Verified with Borhidi, Attila L. 2012 'Rubiáceas de México' 2nd edition. Leaves opposite with a stipule. Stem slightly scabrous. Pedicels erect in fruit, capsules dehiscent, seeds crateriforme.

Nova, J.A. de #441      13 June 2013

morphological details

flowers flowers flower flower flower flower
flower flower flower flower style style
flower section flower section style style capsule capsule
capsule section capsule section seed seed stipules stipules
stipules stipules adaxial leaf surface adaxial leaf surface abaxial leaf surface abaxial leaf surface
field picture
habitat
Herbarium voucher
Herbarium voucher

Other field pictures

habitat
flowers
flowers