Rubiaceous

One of these, Oldenlandia adscensionis (a rubiaceous shrub) has not been seen since 1889, and is probably extinct. ❋ Unknown (2008)

But in an underdeveloped country full of tobacco stands and rubiaceous trees ❋ Unknown (1963)

We find among rubiaceous plants, besides the cinchonas and exostemas, the Coutarea speciosa or Cayenne bark, the ❋ Unknown (1851)

This, however, is unfounded; since it is precisely by the disposition of the leaves, and the absence of stipules, that the cuspa differs totally from the trees of the rubiaceous family. ❋ Unknown (1851)

I observed a green belt of trees scarcely 300 yards to the northward; and on riding towards it, I found myself on the banks of a large fresh water river from 500 to 800 yards broad, with not very high banks, densely covered with salt water Hibiscus (Paritium), with a small rubiaceous tree ❋ Ludwig Leichhardt (1830)

We find among rubiaceous plants, besides the cinchonas and exostemas, the ❋ Alexander Von Humboldt (1814)