Rubiaceae is a plant family in the Plantae kingdom, order Gentianales, class Magnoliopsida. The family contains 535 accepted species worldwide. Some species in this family are toxic — exercise caution when handling unknown specimens.
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Asperula scoparia Hook.f.
Asperula scoparia is a 1847-described Rubiaceae flowering plant endemic to south…
Coprosma quadrifida (Labill.) B.L.Rob.
Coprosma quadrifida is an Australian shrub with historical food uses by settlers…
Coprosma tenuicaulis Hook.f.
Coprosma tenuicaulis (swamp coprosma) is a New Zealand native shrub that grows i…
Asperula arvensis L.
Asperula arvensis L. (blue woodruff) is a Rubiaceae flowering plant native to Eu…
Spermacoce glabra Michx.
Spermacoce glabra, smooth false buttonweed, is a widespread New World coffee fam…
Houstonia wrightii A.Gray
Houstonia wrightii (pygmy bluet) is a Rubiaceae plant native to the southwestern…
Guettarda speciosa L.
Guettarda speciosa L. is a coastal tropical perennial shrub or small tree with m…
Cruciata laevipes Opiz
Cruciata laevipes Opiz is a perennial sprawling herb with yellow honey-scented f…
Psychotria carthagenensis Jacq.
Psychotria carthagenensis, or amyruca, is a South American rainforest shrub from…
Galium rubioides L.
Galium rubioides (European bedstraw) is an erect herb in the Rubiaceae family, n…
Coprosma rigida Cheeseman
Coprosma rigida is a New Zealand native shrub that grows to 4m tall and bears ye…
Warszewiczia coccinea (Vahl) Klotzsch
Warszewiczia coccinea is the national flower of Trinidad and Tobago, an ornament…
Rubiaceae plants belong to the Gentianales order in the Plantae kingdom. The species is especially notable for its inflorescence, which is a verticillaster up to 50 cm long that holds up to a dozen clusters. For instant identification, use the iNature app — AI-powered and works offline.
Rubiaceae is classified in the order Gentianales, class Magnoliopsida, phylum Tracheophyta. These clusters feature bright red bracts that measure up to 7 cm by 5 cm, alongside small flowers with unnoticeable yellow petals.
Yes, some Rubiaceae species are toxic or poisonous. Always exercise caution with unknown specimens. View poisonous Rubiaceae species or browse the full poisonous species guide.
Sources: GBIF, iNaturalist, Wikipedia · Disclaimer
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