Rubiaceae
Creators: name: Torres-Montufar, Alejandro
name: Sanchez-Bautista, Saray
name: Aguilar-Morales, María
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Gentianales
Rubiaceae

description: Key to genera
1. Fruits drupaceous, indehiscent; seed apical attachment ....................................................................................................................2.
- Fruits capsules, loculicidally or septicidally dehiscent; seed basal or medial attachment ................................................................3.
2. Ovary 2-locular; flower aestivation is valvate; corolla lobes deltoid; fruits flattended to subspheroidal........................... Chiococca
- Ovary 5-10-locular; flower aestivation is imbricate; corolla lobes linear-lanceolate; fruits spheroidal ................................ Erithalis
3. Seed basal attachment............................................................................................................................................................ Lorencea
- Seed medial attachment.....................................................................................................................................................................4.
4. Seeds wingless...................................................................................................................................................................................5.
- Seeds winged.....................................................................................................................................................................................6.
5. Capsule dehiscent loculicidally; corolla tube 2 to 4 cm long; seeds 2 to 5 per locule ..................................................... Coutaportla
- Capsule dehiscent septicidally; corolla tube 6 to 8 cm long; seeds numerous per locule...................................................... Nernstia
6. Flowers with linear corolla lobes ......................................................................................................................................................7.
- Flowers with deltoid corolla lobes ................................................................................................................................................... 8.
7. Corolla tube 3 to 5 cm long; capsules flattened ................................................................................................................... Exostema - Corolla tube 1 to 2 cm long; capsules subcylindrical....................................................................................................... Solenandra.
8. Capsules flattened and septicidally dehiscent ....................................................................................................................... Coutarea
- Capsules subcylindrical and loculicidally dehiscent ............................................................................................................. Hintonia
description: Published as part of Torres-Montufar, Alejandro, Sanchez-Bautista, Saray & Aguilar-Morales, María, 2022, A synthesis of the Chiococceae tribe (Cinchonoideae, Rubiaceae) in Mexico: morphology, diversity, and endemism, pp. 35-52 in Phytotaxa 542 (1) on pages 43-44, DOI: 10.11646/phytotaxa.542.1.3, http://zenodo.org/record/6404536