Beccariophoenix madagascariensis
Giant Windowpane Palm, Windowpane Coconut
| Family | 
| Arecaceae | 
| Genus | 
| Beccariophoenix | 
| Species | 
| madagascariensis | 
| Category | 
| Tropicals | 
| Type | 
| Shrub (evergreen) | 
| USDA Hardiness Zone | 
| 10a - 11 | 
| Canadian Hardiness Zone | 
| Requires cold season protection under glass. | 
| RHS Hardiness Zone | 
| H3 - H1c | 
| Temperature (°C) | 
| (-1.1) to above 4.5 | 
| Temperature (°F) | 
| 30 - 40 | 
| Height | 
| 2 - 12 m | 
| Spread | 
| 2 - 10 m | 
| General Description | 
| A single-stemmed, evergreen palm, up to 12 metres tall topped with a rosette of large leaves that can be 4.5 metres long. | 
| Cultivation | 
| Grow in semi-shade, likes rich well-drained soil with lots of humus. | 
| Habitat | 
| Found in tropical, subtropical climate regions, and marginally warm temperate zones | 
| Bark/Stem Description | 
| 2 - 12 m high, 24-35 cm in diameter, internodes 2 - 8 cm, very pale grey or pale brown. | 
| Leaf Description | 
| Pinnate, 4-5 m long, with about 130 pairs of linear-lanceolate leaflets regularly arranged along the rachis, long in the median part up to about 170 cm and 4-5 cm broad, of a bright green colour. The foliar base is with fibrous margins, up to about 1,5 m long that wraps the stem only partially. | 
| Flower Description | 
| The inflorescences borne on 1 m long robust peduncle. | 
| Fruit Description | 
| Ovoidal fruit with pointed apex, about 3.5 cm long and 2.5 cm in diameter, of a dark purple colour, containing only one ellipsoidal seed, about 2.4 cm long and 2 cm in diameter. | 
| Notable Specimens | 
| Harry P. Leu Gardens, Orlando, Florida, United States of America. | 
| Propagation | 
| By seed. |