A new species of Iochroma Benth. (Solanaceae) from the eastern Andes of Colombia

By

Orejuela, Andrés
Smith, Stacey
Villanueva, Boris
Deanna, Rocío

Type

Article

Date of Publication

2023

Original Publication

PhytoKeys

Volume

232

Pages

133--144

Subjects

Andes , Colombia , Iochroma , Iochrominae , IUCN Red List , Solanaceae

Contributed by

Pensoft Publishers

Language

English

Published by

Sofia, Bulgaria Pensoft Publishers [2010]-

Identifiers

DOI: https://doi.org/10.3897/phytokeys.232.108474

 

Abstract

Iochroma orozcoae A.Orejuela & S.D.Sm., sp. nov. (Solanaceae) is described from the Andean forests of Cundinamarca in the eastern cordillera of Colombia. Iochroma orozcoae was first collected by the eminent Spanish priest and botanist José Celestino Mutis in the late part of the 18th century, but the specimens have lain unrecognised in herbaria for over 200 years. The species shares many features with its closest relative, Iochroma baumii S.D.Sm. & S.Leiva, but it differs from it in having small flowers with five corolla lobes and few inflorescences per branch, located near the shoot apex with 1 to 4 (–8) flowers, fruits that are greenish-yellow when ripe and its restricted geographic distribution. A description of I. orozcoae is provided, along with a detailed illustration, photographs of live plants, a comparison with closely-related species and a key to all Colombian species of Iochroma Benth. In closing, we emphasise the value of historical collections for the knowledge of biodiversity.