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Borassus madagascariensis Jum. & H.Perrier

Spécimen

MNHN-P-P00492147
AFM (Afrique - Madagascar)

Taxonomie

Arecaceae
Borassus madagascariensis Jum. & H.Perrier

Origine

Mahajanga
Mahajanga, Namakia, Village of Antamanakana, ca 44 km SW of Katsepy on road (Katsepy/Mitsingo), then S for 16 km to the village
flm fr
N. Edmondson, B.Ficher., M. Burger & E. Rahelivololona
1995-7-24
60
16° 7' 10.992'' S ; 45° 59' 49.992'' E
Palm solitary with 8-9 m x 40-50 cm trunk, leaves costapalmate, 16-18 in crown, spirally arranged and spreding, leaf sheath plus petiole is 180 cm long and splitting at the base, trunk consistently self cleaning in the older specimens, leaf petiole 8-9.3 cm wide x 4.5-5 cm thick with black toothed margins, adaxially channeled and abaxially rounded, leaf racis 90-102 cm long, 54-64 pairs of leaflets which are distributed along the rachis, basal leaflets 78-97 cm long x 2.5 cm wide, middle leaflets 136-178 cm long x 8-12 cm wide and apical leaflets 78-136 cm long x 2-3.5 cm wide, androgynous inflorescence spicate or unbranched with 60-70 cm long rachis [...] fruit 3 seeded and dimpled at apex
In red, wet clay soil, close to a lake that floods seasonally

Historique de détermination