Uvariopsis Engl. &amp; Diels 1899
Creators: name: Gosline, George
name: Cheek, Martin
name: Onana, Jean Michel
name: Ngansop Tchatchouang, Eric
name: van der Burgt, Xander M.
name: MacKinnon, Lorna
name: Dagallier, Léo-Paul M. J.
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Magnoliales
Annonaceae
Uvariopsis

description: Key to the species of <i>Uvariopsis</i> (and <i>Dennettia</i>) in Cameroon 1. - Crushed leaves emitting a strong citrus scent...................................................... <i>U. citrata</i> - Crushed leaves without citrus scent............................................................................................2 2. - Leaf blades 7.2 – 15.5(– 18) cm long; pedicel 0 – 7(– 9) mm long..............................3 - Leaf blades (11.1 –)16.3 – 38(– 61.5) cm long, pedicel (3 –)8 – 60(– 450)mm long 6 3. - Flowers cauliflorous, pedicel 0 – 2 mm long................................................. <i>U. sessiliflora</i> - Flowers ramiflorous, pedicel (0 – 2)3 – 11 mm long, sometimes cauliflorous.................4 4. - Flowers bisexual, petals 3 (– 4).............................................................. <i>Dennettia tripetala</i> - Flowers unisexual, petals 4............................................................................................................5 5. - Young branches glabrous or very sparsely pubescent, petals free............... <i>U. congensis</i> - Young branches densely to sparsely pubescent, petals basally fused................. <i>U. zenkeri</i> 6. - Petals basally fused......................................................................................................................7 - Petals free.........................................................................................................................................10 7. - Petals 3..................................................................................................................... <i>U. congolana</i> - Petals 4...............................................................................................................................................8 8. - Flower buds globose, monocarps verrucose................................................ <i>U. pedunculosa</i> - Flower buds conical to pyramidal, monocarps smooth..........................................................9 9. - Sepals 5 – 10 mm long, flowers completely covering base of trunk, generally occurring above 800 m a.s.l....................................................................................................... <i>U. submontana</i> - Sepals 2 – 4 mm long, flowers partially covering base of trunk, generally occurring below 800 m a.s.l...................................................................................................................... <i>U. korupensis</i> 10. - Flowering pedicels 3 – 8 mm long......................................................................................11 - Flowering pedicels 10 – 160 mm long......................................................................................12 11. - Petals linear, 25 – 45 mm long, more than 6 times longer than wide...................................................................................................................................................................... <i>U. bakeriana</i> - Petals elliptic to ovate, 10 – 14 mm long, less than 6 times longer than wide................................................................................................................................................................. <i>U. etugiana</i> 12. - Flower buds globose.................................................................................................. <i>U. dioica</i> - Flower buds conical or narrowly ovoid to pyramidal...........................................................13 13. - Stems and petioles tomentose, lateral nerves 8 – 13 on each side of the midrib; flowers wine brown........................................................................................................................ <i>U. solheidii</i> - Stems and petioles glabrous; lateral nerves 5 – 8(– 9) on each side of the midrib; flowers green-yellow....................................................................................................................... <i>U. dicaprio</i>
description: Published as part of <i>Gosline, George, Cheek, Martin, Onana, Jean Michel, Ngansop Tchatchouang, Eric, van der Burgt, Xander M., MacKinnon, Lorna &amp; Dagallier, Léo-Paul M. J., 2022, Uvariopsis dicaprio (Annonaceae) a new tree species with notes on its pollination biology, and the Critically Endangered narrowly endemic plant species of the Ebo Forest, Cameroon, pp. 1-21 in PeerJ (e 12614) (e 12614) 9</i> on page 8, DOI: 10.7717/peerj.12614, http://zenodo.org/record/5832101