Elaeocarpus Burm. ex Linnaeus 1753
Creators: name: Silva, Nilanka
name: Yakandawala, Deepthi
name: Yakandawala, Kapila
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Oxalidales
Elaeocarpaceae
Elaeocarpus

description: Key to the species of Elaeocarpus occurring in Sri Lanka
1. One anther valve tipped with a brush of hairs.................................................................................................................... E. serratus
- Anther valves not tipped with brush of hairs.....................................................................................................................................2.
2. One anther valve elongated into a beak or bristle; fruits ovoid-cylindrical, 1–1.5 cm across, mature fruit blue .............................3.
- Anther valves without beaks or bristles; fruits globular or sub-globular-ovoid, 2.5 cm or more across, mature fruits green or red .. ...........................................................................................................................................................................................................4.
3. Leaf blades ovate, apex acuminate, margin shallowly serrate-crenate; domatia present .............................................. E. ceylanicus
- Leaf blades lanceolate, long-attenuate at apex, margin more or less coarsely serrate-crenate; lower face with domatia as large glandular pits in axils of lateral nerves.......................................................................................................................... E. glandulifer
4. Leaf blades pubescent on abaxial surface .........................................................................................................................................5.
- Leaf blades glabrous on abaxial surface............................................................................................................................................6.
5. Leaf blades rotundate, apex obtuse; midrib and lateral nerves strongly raised on lower face; rusty brown with domatia along the lateral nerves..................................................................................................................................................................... E. montanus
- Leaf blades oval, apex obtuse or short-acuminate; domatia absent .............................................................................. E. subvillosus
6. Leaf margins revolute; sepal brownish green colour; midrib smooth prominent yellow; fruit globular green ....... E. mahamayensis
- Leaf margins not revolute (rarely revolute in E. taprobanicus); sepals red to brownish red; fruit globular green to red.................7.
7. Leaf apices are obtuse to rounded, not narrowed into a short blunt point at the extreme apex; outer surface of petals sparsely to medium densely hairy throughout the undivided part................................................................................................ E. taprobanicus
- Most leaf apices acute to obtuse, usually narrowed gradually or abruptly in to a short, blunt point; outer surface of petals glabrous or only sparsely hairy in lower half to third of undivided part..........................................................................................................8.
8. Leaves coriaceous, obovate (never almost elliptic); Inflorescence axis often over topping upper most leaves; bracts often persistent to anthesis ........................................................................................................................................................................ E. coriaceus
- Leaves chartaceous, narrowly to broadly elliptic or slightly obovate; Inflorescence axis below the upper most leaves; bracts earlycaducous ............................................................................................................................................................................................9.
9. Inflorescence 15–25 flowered; sepal 3–4.5 mm long, petals 3–5.2 mm long with 17–22 divisions; stamens 16–1 smooth globular stone .................................................................................................................................................................................. E. amoenus
- Inflorescence 9–15 flowered; sepal 4.5–6 mm long, petals 5–7.2 mm long with 25–32 divisions, stamens 30–35, rough stone....... ........................................................................................................................................................................................ E. hedyosmus
description: Published as part of Silva, Nilanka, Yakandawala, Deepthi & Yakandawala, Kapila, 2023, Elaeocarpus mahamayensis (Elaeocarpaceae), a new endemic species from the Knuckles Mountain Range in Sri Lanka, pp. 1-26 in Phytotaxa 616 (1) on pages 11-12, DOI: 10.11646/phytotaxa.616.1.1, http://zenodo.org/record/8389116