Ardisia Swartz 1788
Creators: name: Julius, Avelinah
name: Utteridge, Timothy M. A.
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Ericales
Primulaceae
Ardisia

description: Key to Ardisia subgenus Crispardisia in Peninsular Malaysia   
1. Inflorescences strictly terminal on lateral leafy branches..................................................................................................................2  
- Inflorescences lateral (axillary) and/or terminal on main stem or lateral branches...........................................................................5  
 2. Lamina coriaceous, rarely subcoriaceous, relatively small 2.5–6.5(–9) cm long, rarely up to c. 13 cm long................................................................................................................................. Ardisia rosea King & Gamble (1906: 150)   
- Lamina chartaceous, rarely subcoriaceous, larger (7–)9–16(–18) cm long.......................................................................................3  
 3. Inflorescences much branched, peduncle longer (1.5–) 5 cm long................................ Ardisia polysticta Miq. (Miquel 1861: 576)   
- Inflorescences usually unbranched, and if only 1–2 with peduncle(s) then these less than 1.5 cm long...........................................4  
 4. Leaf apex obtuse, sometimes acute, secondary veins closely spaced....................................................................... Ardisia crenata   
 - Leaf apex long acuminate to acuminate-caudate, secondary veins laxly spaced......... Ardisia ridleyi King & Gamble (1906: 148)   
5. Inflorescence strictly lateral (axillary) on main stem.........................................................................................................................6  
- Inflorescence lateral (axillary) and/or terminal on main stem or lateral branches.............................................................................7  
 6. Lamina oblong-lanceolate, subcoriaceous, apex usually shortly acuminate rarely long and slightly caudate, 0.5–1(–2) cm long; pedicels longer and slender................................................................................... Ardisia sphenobasis Scheff. (Scheffer 1867: 65)   
 - Lamina elliptic, coriaceous, apex long acuminate-caudate, 2–2.5 cm long; pedicels shorter and thicker................... Ardisia minor   
 7. Inflorescence lateral (axillary) and terminal on lateral branches..................................................................... Ardisia lankawiensis   
- Inflorescence lateral (axillary) on main stem and/or terminal on lateral branches............................................................................8  
 8. Lamina oblanceolate-elliptic, apex acuminate, densely, villous-pilose hairs on both surfaces; inflorescences terminal on lateral branches; hairs white................................................................................................................................................... Ardisia villosa   
 - Lamina narrowly elliptic to oblong-elliptic, apex acuminate-caudate, lamina soon glabrescent except the midrib; inflorescences lateral (axillary) on main stem and terminal on short lateral branch; hairs rust coloured............................... Ardisia recurvisepala
description: Published as part of Julius, Avelinah & Utteridge, Timothy M. A., 2021, Ardisia recurvisepala (Primulaceae-Myrsinoideae), a new species from Peninsular Malaysia, pp. 79-84 in Phytotaxa 480 (1) on page 83, DOI: 10.11646/phytotaxa.480.1.7, http://zenodo.org/record/5414838