| Family | RUBIACEAE |
| Genus species | Houstonia serpyllifolia Michx. |
| Bibliography | Fl. Bor.-Amer. 1: 85 (1803) |
| Native Range | Pennsylvania to se. USA |
| Primary Biome | Temperate |
| Habitat | grassland |
| Description | stems procumbent, rooting, leaves small, hirsute, spathulate, bright green, flowers long pedicellate, tetramerous |
| Size | 5-10cm |
| Color | dark violet-blue |
| Bloom | spring, summer |
| Ca | - |
| Type | subshrub |
| Cultivation | mesic, slightly humous, sunny site alpine house, moist, rich, drained soil, sun |
| Propagation | seed in spring, barely covered, germ. 1-3 months, 10-16°C cuttings in late summer |
| Synonyms | Anotis serpyllifolia (Michx.) G.Don Anotis tenella (Pursh) G.Don Hedyotis michauxii Fosberg Hedyotis michauxii f. alba (Alexander) Fosberg Hedyotis serpyllifolia (Michx.) Torr. & A.Gray Houstonia serpyllifolia f. alba Alexander Houstonia tenella Pursh Oldenlandia serpyllifolia (Michx.) A.Gray |
| Territory | 7 Northern America 75 Northeastern U.S.A. (PEN Pennsylvania, WVA West Virginia) 78 Southeastern U.S.A. (GEO Georgia, KTY Kentucky, MRY Maryland, NCA North Carolina, SCA South Carolina, TEN Tennessee, VRG Virginia) |