Pentacalia species

Calvo, Joel & Buira, Antoni, 2018, Two new species of Pentacalia (Compositae, Senecioneae) from northern Andes, Phytotaxa 364 (2), pp. 193-201 : 200

publication ID

https://doi.org/ 10.11646/phytotaxa.364.2.6

persistent identifier

https://treatment.plazi.org/id/03941F2E-D609-FFBC-FF2C-F98EFA35FE34

treatment provided by

Felipe

scientific name

Pentacalia species
status

 

Key to the Ecuadorian Pentacalia species with terminal synflorescences, disciform, sessile capitula, and denticulate leaf margins (adjusted from Robinson & Cuatrecasas (1993), key step 19b)

1. Leaf abaxial surface and involucres with persistent lanate indumentum ...................................................................... P. oronocensis View in CoL

- Leaf abaxial surface and involucres glabrous or with deciduous arachnoid-floccose indumentum..................................................2

2. Leaf laminas large, 10–19 cm long, chartaceous, similar when dried; stems tomentose............................................. P. mikanioides View in CoL

- Leaf laminas ≤ 10 cm long, somewhat fleshy, drying coriaceous; stems arachnoid-floccose or almost glabrous............................3

3. Leaf margins with remote mucronate denticulations or entire; leaf abaxial surface and stems with deciduous arachnoid-floccose indumentum............................................................................................................................................................................. P. millei View in CoL

- Leaf margins sinuate-dentate; leaf abaxial surface and stems essentially glabrous......................................................... P. zamorana View in CoL

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