Family | RUBIACEAE |
Genus species | Houstonia caerulea L. |
Synonyms | Hedyotis caerulea (L.) Hook. |
Houstonia grandiflora Raf. | |
Houstonia linnaei Michx. | |
Habitat | grassland |
Description | leaves small, crowded, ovate, to base tapered, basal leaves spathulate, finely ciliate, bright green, flowers solitary, tetramerous |
Size | 5-10cm |
Color | pale blue |
Bloom | summer |
Ca | - |
Type | subshrub, cushion |
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 |
Territory |
Northern America
Eastern Canada (New Brunswick , Newfoundland , Nova Scotia , Québec ) North-Central U.S.A. (Iowa , Missouri , Wisconsin ) Northeastern U.S.A. (Connecticut , New Hampshire , New York , Vermont ) Southeastern U.S.A. (Alabama , Arkansas , Louisiana , Maryland , Mississippi , Tennessee , Virginia) |
Bibliography | Plants of the World online powo.science.kew.org International Plant Names Index www.ipni.org |
Comments | RUBIACEAE
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