Plant of the month January,2018
Eng (thai)

 

 

Ceiba speciosa (A. St.-Hil.) Ravenna, Onira 3: 46 1998.
Malvaceae

Description: Deciduous tree to ca 20 m tall, trunk and branches spiny. Leaves palmately compound, alternate; leaflets 3–7, lanceolate, 10–12 cm long; apex acute; base cunete; margin serrate; both surfaces glabrous, whitish below; petiolules short. Flowers blooming before leaf flush, fascicled, 1-many, axillary or subterminal; bracts caducous. Calyx campanulate, irregularly 3–5-lobed, thickly fleshy, persistent, densely hairy inside. Petals 5, pink, creamy yellow at base, connate at base and coherent to staminal tube; lobes spathulate, 7–10 × 2.5–3.5 cm, woolly outside. Stamens: filament tube short, glabrous, free parts or with short 5–15 of filaments, each bearing 2(or 3) twisted thecae. Ovary syncarpous, 5-locular with axile placenta; ovules many; style filiform; stigma lobulate. Capsule obovate, 12–18 cm long, inner walls densely woolly. Seeds many, enclosed in wool.

 

 

Distribution: Native to S America, widely cultivated in tropic.

Thai name: ไหมจุรี (mai churi)

Photos: Rachun Pooma (cultivated)

References: 
Gibbs, P. and J. Semir. (2003).  A taxonomic revision of the genus Ceiba Mill. (Bombacaceae). Anales del Jardín Botánico de Madrid 60(2): 271–273.
Staples, G.W. and D.R. Herbst. (2005).  A tropical garden flora. Bishop Museum Press, Honolulu, Hawai`i.