Revision of Heppiella (Gesneriaceae)

Four species are recognized in the Andean genus Heppiella: H. ulmifolia that ranges from Colombia to Peru, H. viscida from northwestern Venezuela, H. verticillata from the Eastern Cordillera of Ecuador and adjacent Colombia, and H. repens from Ecuador and southern Colombia. The former three species...

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Bibliographic Details
Published in:Systematic botany 1990-10, Vol.15 (4), p.720-735
Main Author: Kvist, L.P. (University of Aarhus, Risskov, Denmark)
Format: Article
Language:English
Subjects:
ANATOMIA DE LA PLANTA
ANATOMIE VEGETALE
Anthers
Biological and medical sciences
Capsules
COLOMBIA
COLOMBIE
DISTRIBUCION NATURAL
DISTRIBUTION NATURELLE
ECUADOR
EQUATEUR
EVOLUCION
EVOLUTION
FILOGENIA
Flowers
Fundamental and applied biological sciences. Psychology
GEOGRAPHICAL DISTRIBUTION
GESNERIACEAE
heppiella repens
heppiella ulmifolia
heppiella verticillata
heppiella viscida
Inflorescences
KEYS
Leaves
NATURAL DISTRIBUTION
NOMENCLATURA
NOMENCLATURE
PEROU
PERU
PHYLOGENIE
PHYLOGENY
PLANT ANATOMY
Plant cytology, morphology, systematics, chorology and evolution
Plants
Pollen
Rhizomes
Spermatophyta
Stamens
Systematics (diagnosis, chromosome numbers)
TAXONOMIA
TAXONOMIE
TAXONOMY
Trichomes
TYPES
ULTRASTRUCTURE
VENEZUELA
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Description
Summary:Four species are recognized in the Andean genus Heppiella: H. ulmifolia that ranges from Colombia to Peru, H. viscida from northwestern Venezuela, H. verticillata from the Eastern Cordillera of Ecuador and adjacent Colombia, and H. repens from Ecuador and southern Colombia. The former three species have allopatric distributions, occur in disturbed habitats, and are terrestrial. Heppiella repens is sympatric with H. ulmifolia and H. verticillata, occurs in mist forests, and is usually climbing and epiphytic. Heppiella has apparently developed from ancestors close to Gloxinia, and this latter genus was used as an outgroup in a cladistic analysis. The only derived features that the widespread and variable H. ulmifolia possesses are those that distinguish Heppiella from Gloxinia. The three more restricted species have no derived features in common, and have apparently evolved independently from geographically isolated populations of H. ulmifolia.
ISSN:0363-6445
1548-2324
DOI:10.2307/2419166