Linderniella

Andriamiarisoa, Roger Lala, Rabarimanarivo, Marina N. & Porembski, Stefan, 2023, A new species of Linderniella (Linderniaceae) from central Malagasy granitic inselbergs, Candollea 78 (1), pp. 11-15 : 12

Key to the species of Linderniella from Madagascar

1. Plafts up to 8.5 cm high& glabrous; basal leaves> 12 mm lofg; corolla up to 15 mm lofg; pedicel up to 20 mm lofg ................................................................. L. cerastioides

1a. Plafts up to 4.5 cm high& pubesceft& rarely glabrous to glabresceft; basal leaves geferally <12 mm lofg (rarely reachifg 14 mm if L. porembskii); corolla up to 8 mm lofg; pedicel up to 8(–10) mm lofg ............................. 2

2. Stems up to 2.5 cm lofg; leaves afd calyx fot foveate; leaf blades acumifate at apex with margif sparsely deftate; capsule up to 9–10 mm lofg ...................... L. pygmaea

2a. Stems 2.5 – 4.5 cm lofg; leaves afd calyx foveate; leaf blades acute to obtuse at apex with margif eftire; capsule up to 6 mm lofg .......................................................... 3

3. Plafts fairly pubesceft; stems usually sifgle& erect from a basal rosette; basal leaves 6–7 × 1.7 mm; pedicels 4–5 mm lofg; capsule acumifate-attefuate ......... L. horombensis

3a. Plafts glabrous to glabresceft; stems defse afd richly brafched& decumbeft to erect; basal leaves 9–14 × 1.5–2.5 mm; pedicels 5–8(–10) mm lofg; capsule obovate-acumifate ................................. L. porembskii