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Monographia Aquifoliacearum - Loizeau Pierre-André & Gabrielle Barriera


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Aquifoliaceae of Neotropics

Loizeau P.-A. & G. Barriera


Ilex aggregata (Pers.) Loes.

Habit, vegetative morphology.— Tree or shrub, evergreen, 4–15 m tall. Current year's branchlets glabrous (quelques rares poils). Branchlets older than one year smooth or furrowed, reddish, glabrous. Lenticels on current year's branchlets present. Internodes 0.3–2.5 cm. Stipules caducous, linear-triangular, 0.5–1.5 mm. Petiole glabrous, rough or grooved surface, 5–18 mm. Lamina ovate to obovate, oblong (1:2), 5–18 X, 2.5–7 cm, papyraceous or coriaceous, glabrous abaxially. Base rounded to cordate. Apex obtuse to acute, mucronate. Apex retuse or acuminate. Acumen 0.5–1 cm. Margin revolute, entire (sinueuse). Midbrid adaxially impressed, glabrous. Midbrid abaxially raised, glabrous. Secondary veins abaxially evident, 10–12 pairs. Tertiary veins abaxially evident (faiblement marquées et peu dense). Ponctuation abaxiallly absent.

Inflorescences.— Thyrse, proliferating.

Male flowers.— Thyrses axes solitary and axillary. Thyrses axes 0.1–0.5 cm. Cymes of order 2–4. Peduncles glabrous. Peduncles of order 1 4–13 mm (fleur d'ordre 1 parfois absente). Pherophylls of order 1 at 5–7 tenth from the base. Peduncles of order 2 1.5–3.5 mm. Pherophylls of order 2 at 0 tenth from the base. Peduncles of order 3 2.5–3.5 mm. Pherophylls of order 3 at 0 tenth from the base. Peduncles of order 4 2.5–3.5 mm. Pherophylls of order 4 at 0 tenth from base. Bracts deltoids, glabrous, 1 mm, margin entire. Pherophylls of order 1 opposite or subopposite, deltoid, glabrous, 0.2–0.4 mm, margin entire. Male flowers 4 -merous, white. Calyx glabrous, 1–2 mm in diam., margin entire. Corolla 2–2.5 mm, petals free. Apex margin entire (irrégulière). Stamens at the anthesis equal to corolla or shorter than corolla. Rudimentary ovary subglobulous or flattened, glabrous.

Female flowers.— Thyrses axes solitary and axillary. Thyrses axes 0.2–1.5 cm. Cymes of order 1–3. Peduncles glabrous. Peduncles of order 1 5–13 mm. Pherophylls of order 1 at 5–7 tenth of the base. Peduncles of order 2 3–5 mm. Pherophylls of order 2 at 0 tenth of the base. Peduncles of order 3 3–4 mm. Pherophylls of order 3 at 0 tenth of the base. Bracts deltoids, glabrous, 0.5–1 mm, margin entire. Pherophylls of order 1 opposite or subopposite, deltoids, glabrous, 0.5 mm, margin entire. Female flowers 4 -merous, white. Calyx glabrous, margin entire, 1–3 mm in diam. Corolla 2–3 mm, petals free. Apex margin entire (possibly beaded) (papilleuse). Staminodes sagittate, glabrous. Ovary ovoid or spherical, glabrous, stigma mamillate or capitate, stigma glabrous.

Fruits.— Fruit spherical, 3–4 mm in diam., 3–4 mm.

Distribution, ecology.— South America, Peru Bolivia, 300–1400 m, Forêt dense humide andine sempervirente.

Flowering.— July to November.

Illustrations.— • Dessin Bang 842 G . • Dessin Bang 842 MOL . • Dessin Weberbauer 6778 MOL . • Planche Woytkowski s.n. MO . • Etiquette Woytkowski s.n. MO . • Planche Bang 842 G m (IT). • Inflorescence Bang 842 G m (IT). • Inflorescence Bang 842 G m (IT). • Planche Bang 2129 M f. • Infrutescence Bang 2129 M f. • Planche Pearce s.n. K f (PT d'amygdalifolia). • Limbe, face inférieure Pearce s.n. K f (PT d'amygdalifolia). • Infrutescence Pearce s.n. K f (PT d'amygdalifolia). • Planche Weberbauer 6768 MOL f. • Limbe, face inf. Weberbauer 6768 MOL f. • Tige Weberbauer 6768 MOL f. • Inflorescence Weberbauer 6768 MOL f. • Planche Weberbauer 6778 MOL f. • Limbe, face inf. & marge Weberbauer 6778 MOL f. • Infrutescence Weberbauer 6778 MOL f. • Infrutescence Weberbauer 6778 MOL f. • Planche Weberbauer 6746 MOL m. • Limbe, face inf. & marge Weberbauer 6746 MOL m. • Inflorescence Weberbauer 6746 MOL m. • Fleurs Weberbauer 6746 MOL m. • Planche Bang 2129 M f. • Etiquettes Bang 2129 M f. • Rameau Bang 2129 M f. • Infrutescences Bang 2129 M f. • Planche Bang 842[a] BM m (ILT d'I. amygdalifolia). • Planche Bang 842[b] NYat (T d'amygdalifolia). • Planche Bang 842[a] NYat (?LT d'amygdalifolia).


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).