| Family | RUBIACEAE |
| Genus species | Houstonia rubra Cav. |
| Synonyms | Hedyotis rubra (Cav.) A.Gray |
| Houstonia saxicola Eastw. | |
| Oldenlandia rubra (Cav.) A.Gray | |
| Habitat | semideserts of w. USA |
| Description | leaves opposite, carnose, linear, crowded in short erect tuft, flowers 15-20mm, with long slender tube and 4 flat lobes |
| Size | 5-10cm |
| Color | pinkish violet, white |
| Bloom | late spring |
| Ca | |
| Type | subshrub |
| Cultivation | dry, sunny site with a poor, sandy soil alpine house, sandy soil, sun |
| Propagation | seed in spring, barely covered, germ. 1-3 months, 10-16°C cuttings in late summer |
| Territory |
Northern America
Southwestern U.S.A. (Arizona , Utah ) South-Central U.S.A. (New Mexico , Texas ) Mexico (Mexico Central , Mexico Northeast , Mexico Gulf , Mexico Northwest) |
| Bibliography | Plants of the World online powo.science.kew.org International Plant Names Index www.ipni.org |
| Comments | RUBIACEAE
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