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Monographia Aquifoliacearum - Loizeau Pierre-André & Gabrielle Barriera


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Aquifoliaceae of Neotropics

Loizeau P.-A. & G. Barriera


Ilex chiriquensis Standley

Habit, vegetative morphology.— Tree (mâle) or shrub, evergreen, 1–8 m tall. 20 cm dbh. Current year's branchlets glabrous. Branchlets older than one year smooth or furrowed or rough, greyish or brownish, glabrous. Lenticels on current year's branchlets present. Internodes 0.2–3.7 cm. Stipules persistent or caducous (mâle), deltoid or linear-triangular (mâle), 0.1–0.3 mm (1–1.5 mâle). Petiole glabrous, smooth surface or rough or grooved surface, 4–21 mm. Lamina elliptic or obovate, orbiculate (1:1) or oblong (1:2) (rarement orbiculaire), 3.8–9.2 X, 2.3–7.7 cm, papyraceous or coriaceous, glabrous abaxially. Base cuneate or acute or obtuse or rounded. Apex rounded or obtuse or acute, mucronate or not mucronate. Apex rounded or acuminate. Acumen 0–1.2 cm. Margin revolute, entire or crenate or dentate, teeth inconspicuous or conspicuous. Teeth 0–9 ca., over the entire length of the margin or on the distal half of the margin. Midbrid adaxially raised, glabrous. Midbrid abaxially raised, glabrous. Secondary veins abaxially evident or obscure, 6–10 pairs. Tertiary veins abaxially evident or obscure. Ponctuation abaxiallly present.

Inflorescences.— Thyrse, non proliferating.

Male flowers.— Thyrses axes solitary and axillary. Thyrses axes 0.2–0.5 cm. Cymes of order 1. Peduncles glabrous. Peduncles of order 1 6–8 mm. Pherophylls of order 1 at 2–3 tenth from the base (lorsque présentes). Bracts deltoids, glabrous, 0.5–1 mm, margin entire. Pherophylls of order 1 subopposite or absent, deltoid, glabrous, 0.3–0.4 mm, margin entire. Male flowers 4 -merous, white (crème). Calyx glabrous, 2.5–3 mm in diam., margin entire. Corolla 3–3.5 mm, petals connate on, petals 10–20 % of their length. Apex margin entire. Stamens at the anthesis equal to corolla. Rudimentary ovary pyramidal, glabrous.

Female flowers.— Thyrses axes solitary and axillary. Thyrses axes 0.1–0.3 cm. Cymes of order 1. Peduncles glabrous. Peduncles of order 1 1.5–6 mm. Pherophylls of order 1 at 2–3 tenth of the base. Bracts deltoids or linear-triangulate, glabrous, 0.6–1.3 mm, margin entire. Pherophylls of order 1 subopposite or absent, deltoids, glabrous, 0.1 mm, margin entire. Female flowers 4–5 -merous (selon calice), green. Calyx glabrous, margin entire or margin ciliate or dentate, 1.2–2.2 mm in diam. Corolla 1.5–2.3 mm, petals free. Apex margin entire (possibly beaded). Staminodes sagittate, glabrous. Ovary ovoid, glabrous, stigma capitate, stigma glabrous.

Fruits.— Fruit green, spherical, 4–6.5 mm in diam., 3.5–6.5 mm.

Distribution, ecology.— Central America or South America, Costa Rica or Panama, Colombia, 1100–2200 m, Upper montane and elfin forest, heavily disturbed premontane forest, lower mountain rainforest (Costa Rica).

Flowering.— March or April or October (mâle).

Illustrations.— • Planche (Haber ex) Bello 3223 K m. • Inflorescence (Haber ex) Bello 3223 K m. • Planche Davidson 243 MOat (IT). • Rameau Davidson 243 MO (IT). • Rameau Davidson 243 MO (IT). • Etiquettes Davidson 243 MOat (IT).


Cite this publication as: ‘Loizeau, P.-A. & G. Barriera (2007). Aquifoliaceae néotropicales: Descriptions, Illustrations, Identification, et Recherche d'Information. Version: 1st march 2007. http://www.ville-ge.ch/cjb/.
Loizeau (1994) et Loizeau & Spichiger (1992) should also be cited (see Bibliography).