Published April 1, 2022 | Version v1

Rubiaceae

  • 1. Herbario FES-Cuautitlán, Departamento de Ciencias Biológicas. Facultad de Estudios Superiores Cuautitlán-Universidad Nacional Autónoma de México (FESC-UNAM), Carretera Cuautitlán Teoloyucan km 2.5, San Sebastián Xhala C. P. 54714, Cuautitlán Izcalli, Mexico.
  • 2. Facultad de Estudios Superiores Iztacala-Universidad Nacional Autónoma de México (FESI-UNAM), Av. de los Barrios 1, Los Reyes Iztacala. Tlalnepantla, Estado de México, Mexico.
  • 3. Posgrado en Ciencias Biológicas, Universidad Nacional Autónoma de México, Avenida Universidad 3000, Ciudad Universitaria, Coyoacán, Mexico City, C. P. 04510, Mexico.

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

Notes

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

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Linked records

Additional details

Biodiversity

Kingdom
Plantae
Phylum
Tracheophyta
Order
Gentianales
Family
Rubiaceae
Taxon rank
family