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FNA | Family List | FNA Vol. 14 | Solanaceae | Hunzikeria

1. Hunzikeria texana (Torrey) D’Arcy, Phytologia. 34: 283. 1976.

Texas cup flower

Browallia texana Torrey in W. H. Emory, Rep. U.S. Mex. Bound. 2(1): 156. 1859; Leptoglossis texana (Torrey) A. Gray

Stems to 20 cm, densely viscid-pubescent. Leaves: petiole 2–5 mm; blade ovate to obovate, 10–20 × 5–8 mm, base sometimes cuneate, margins entire, apex obtuse or acute, veins obscure, surfaces viscid-pilose, costas ciliate. Flowering pedicels 7 mm, pilose. Flowers: calyx 10 mm, lobes 3 mm; corolla 15–20 mm, scarcely expanded upwards, mouth tightly constricted around anthers, limb rotate, 20–23 mm diam., held slightly oblique to tube; style 2-winged proximal to stigma; stigma included, compressed by anthers, crescentric, 2-armed. Capsules included within calyx tube. Seeds reddish, darker on ridges, 1.5 mm, wrinkled with 4–8 ridges or furrows. 2n = 32.

Flowering Feb–May. On limestone; 300–600 m; Tex.; Mexico (Coahuila, Hidalgo, Nuevo León, San Luis Potosí, Tamaulipas).

Hunzikeria texana is limited to Edwards, Kinney, and Val Verde counties at the western edge of the Edwards Plateau. In this species, the anthers are of two sizes due to abortion of one of the thecae in each of the adaxial stamens. There are typically only five seeds per capsule.


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