Triumfetta

Cardoso, Jesiane Miranda, Fernandes-Júnior, Aluísio José & Gil, André Dos Santos Bragança, 2022, Triumfetta decaglandulata (Grewioideae, Malvaceae), a new species from the Cerrado-Amazon ecotone, Northern Brazil, Phytotaxa 545 (3), pp. 287-293 : 292

publication ID

https://doi.org/ 10.11646/phytotaxa.545.3.4

DOI

https://doi.org/10.5281/zenodo.6544816

persistent identifier

https://treatment.plazi.org/id/03C987F9-136E-1647-229F-D229FA352E99

treatment provided by

Plazi

scientific name

Triumfetta
status

 

Updated key to the species of Triumfetta View in CoL from Brazil (adapted from Fernandes-Júnior et al. 2018).

1. Androgynophore with 10 glands ............................................................................................................................ T. decaglandulata View in CoL

- Androgynophore with 5 glands or absent..........................................................................................................................................2.

2. Inflorescence paniculiform; fruits with straight spines .......................................................................................... T. multiglandulosa View in CoL

- Inflorescence racemiform or cymes; fruits with uncinate spines ......................................................................................................3.

3. Sepals at anthesis 15–20 mm long; petals 14–19 mm long...............................................................................................................4.

- Sepals at anthesis 3.5–11 mm long; petals 3–9 mm long..................................................................................................................5.

4. Fruits sparsely spinescent ................................................................................................................................................ T. longicoma View in CoL

- Fruits densely spinescent............................................................................................................................................... T. grandiflora View in CoL

5. Leaves elliptic...................................................................................................................................................................... T. obscura View in CoL

- Leaves ovate, panduriform, and/or rhombiform................................................................................................................................6.

6. Flower without petals; androgynophore absent.................................................................................................................... T. lappula View in CoL

- Flowers with distinct petals; androgynophore present ......................................................................................................................7.

7. Sepals 3–3.5 mm long; stamens 5; androgynophore quadrangular, membranaceous urceolus absent ............................. T. sampaioi View in CoL

- Sepals 4–11 mm long; stamens 10–30; androgynophore ellipsoid to spherical, membranaceous urceolus present.........................8.

8. Sepals vinaceous, strongly cucullate, apical appendage ca. 0.5 mm long; androgynophore ca. 0.5 mm long; fruits cinereousvelutine ......................................................................................................................................................................... T. rhomboidea View in CoL

- Sepals greenish-yellow, not cucullate, apical appendage 1–3 mm long; androgynophore 0.75–1 mm long; fruits glabrous or yellowish-pubescent ..........................................................................................................................................................................9.

9. Stigma entire; fruits 4–5-loculate .................................................................................................................................. T. althaeoides View in CoL

- Stigma trifid; fruits 2–3-loculate .....................................................................................................................................................10.

10. Leaf blades covered only by stellate trichomes; petals elliptic; stamens 15–25 ............................................................ T. semitriloba View in CoL

- Leaf blades covered by stellate and simple trichomes; petals boradly obovate; stamens 25–35 .................................... T. bogotensis View in CoL

GBIF Dataset (for parent article) Darwin Core Archive (for parent article) View in SIBiLS Plain XML RDF