Fernandoa adenophylla (Wallich ex G. Don) v. Steenis
sofdo ( an giang) (Vietnam); Ngojt nai (bihn tri thien) (Vietnam); Khae phong (Thailand); Khae khon (Thailand); Khae hang khang (Thailand); Khe hlaw (Laos)
Spathodea adenophylla (Wallich ex G. Don); Heterophragma adenophylum (Wallich ex G. Don) Seem; Haplophragma adenophyllum (Wall. ex G. Don) Dop; Bignonia adenophylla Wall. ex G. Don
It reaches up to 40 m tall, branchless for 20 m, with 70 cm in diameter. Buttresses are absent.
It is reported in evergreen, monsoon to mixed deciduous primary or sometime secondary rain forests, up to 850 m of altitude. Fernandoa prefers limestone or siliceous soils.
It is present in India (Assam), Myanmar, Indo-China, the Andaman and Cocos Islands, Thailand and Peninsular Malaysia.
Tyloses common. Vessels per mm2 less than 6 (rare). Vessel-ray pits reticulate and/or foraminate. Simple perforation plates. Intervessel pits medium, 7 to 10 micras. Paratracheal axial parenchyma scanty and/or vasicentric. Prismatic crystals in non-chambered axial parenchyma cells. Axial parenchyma bands more than 3 cells wide. Larger rays more than 4 seriate. Sheath cells. Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). Fibers with distinctly bordered pits.
The heartwood is orange-yellow with occasional darker streaks or brownish-white, the sapwood is pale yellow.
The texture is fine.
The surface of the wood is naturally moderate in luster.
The wood is durable unless exposed to the weather or in contact with the ground. It is resistant to termites attack.
The wood is resistant to preservative treatment.
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