Phyllanthus (sect. Phyllanthus) (subsect. Phyllanthus) sect. Phyllanthus subsect. Phyllanthus
Creators: name: Torres, Alícia Marques
name: Silva, Marcos José Da
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Malpighiales
Phyllanthaceae
Phyllanthus

description: Key to the species of Phyllanthus sect. Phyllanthus subsect. Phyllanthus
1. Leaves with 13 to 16 pairs of secondary veins; staminate flowers solitary ...................................................................... P. capixaba
- Leaves with 4 to 9 pairs of secondary veins; staminate flowers in cymules or cincinii.....................................................................2
2. Branchlets arranged only at the apex of the main stem......................................................................................................................3
- Branchlets arranged along the main stem...........................................................................................................................................4
3. Branches pubescent; leaves oblong-falcate, chartaceous; dorsoventrally flattened stigmas................................ P. longipedicellatus
- Branchlets glabrous; leaves oblong, membranaceous; capitate stigmas .................................................................. P. itamarajuensis
4. Petiole 1.4–1.9 mm long; staminate disk with smooth surface ................................................................................ P. longipetiolatus
- Petiole up to 1.2 mm long; staminate disk with verruculose surface .................................................................................................5
5. Leaves with an asymmetrical-obtuse base; 3–5-lobed pistillate disk................................................................................... P. lobatus
- Leaves with an asymmetrical-cordate or asymmetrical-rounded base; entire pistillate disk .............................................................6
6. Stamens fully united in a column ................................................................................................................................... P. perpusillus
- Stamens free or united up to half the length of the filaments.............................................................................................................7
7. Branchlets unisexual; leaves with 4–5 pairs of secondary veins; staminate flowers present in the proximal and distal regions of the branches............................................................................................................................................................................... P. rosellus
- Branchlets bisexual; leaves with 6–9 pairs of secondary veins; staminate flowers present only in the proximal region of the branches..............................................................................................................................................................................................8
8. Leaves 21–41 mm long; pedicel of pistillate flowers 20–30 mm long ............................................................................ P. augustinii
- Leaves 5–17 mm long; pedicel of pistillate flowers 3–18 mm long ..................................................................................................9
9. Pistillate flowers pedicels 12–18 mm long; styles 2.2–2.8 mm long; punctiform stigmas ............................................ P. megastylus
- Pistillate flower pedicels 3–8 mm long; styles 0.7–1.5 mm long; capitate or dorsoventrally flattened stigmas ...............................9
10. Staminate flower pedicels 6–7 mm long and pistillate 7–8 mm long; bilobed styles with flat stigmas ....................... P. platystigma
- Staminate flower pedicels 2–4 mm long and pistillate 3–5 mm long; bifid styles with capitate stigmas.............................. P. niruri
description: Published as part of Torres, Alícia Marques & Silva, Marcos José Da, 2024, Reinstatement and lectotypification of Phyllanthus rosellus (Phyllanthaceae), an endemic species from the state of Minas Gerais, Brazil, pp. 259-269 in Phytotaxa 645 (3) on page 266, DOI: 10.11646/phytotaxa.645.3.5, http://zenodo.org/record/13215082