Ceiba pentandra

Species: Ceiba pentandra

English Name: Kapok Tree

Chinese Name: 吉貝

Family: Bombacaceae

Description:
Trees to 30 m tall; buttresses small or absent, trunk often sparsely spiny; main branches verticillate, spreading horizontally; young branches spiny. Petiole 7-14(-25) cm, longer than leaflet blade; leaflets 5-9, petiolules 3-4(-10) mm; blades oblong to lanceolate, 5-20 × 1.5-6.5 cm, thinly leathery, glabrous, base acuminate, margin entire or very sparsely and minutely toothed near apex, apex shortly acuminate. Flowers subterminal, solitary or in fascicles of up to 15, produced before or simultaneous with new leaves. Pedicel (1.8-)2.5-5 cm. Calyx (0.9-)1.2-2 cm, adaxially glabrous. Petals pink or white, obovate-oblong, 2.5-4... Read more »

Bombax ceiba

Species: Bombax ceiba

English Name: Red Cotton Tree

Chinese Name: 木棉

Family: Bombacaceae

Description:
Trees to 25 m tall; trunk buttressed, usually very spiny on young trees; bark gray-white; branches spreading. Stipules minute; petiole 10-20 cm; leaflets 5-7, petiolules 1.5-4 cm; blades oblong to oblong-lanceolate, 10-16 × 3.5-5.5 cm, glabrous, lateral veins 15-17 on each side of midrib, ascending, base broad or tapering, apex acuminate. Flowers solitary, terminal, ca. 10 cm in diam. Calyx cup-shaped, 2-3(-4.5) cm, abaxially glabrous, adaxially densely yellowish sericeous, calyx lobes 3-5, semi-orbicular, ca. 1.5 × 2.3 cm. Petals usually red, sometimes orange-red, obovate-oblong, 8-10 × 3-4 cm, fleshy,... Read more »

Waltheria indica

Species: Waltheria indica

English Name: Florida Waltheria

Chinese Name: 蛇婆子

Family: Sterculiaceae

Description:
Erect or ascending subshrubs, up to 1 m tall, multi-branched. Branchlets densely puberulent. Petiole 0.5-1 cm; leaf blade ovate or long elliptic-ovate, 2.5-4.5 × 1.5-3 cm, both surfaces densely puberulent, base rounded or shallowly cordate, margin serrulate, apex obtuse. Inflorescence cymose, capitate, 
axillary; peduncle nearly absent to 1.5 cm. Epicalyx lobes nar-rowly lanceolate, ca. 4 mm. Calyx tube-shaped, 5-lobed, 3-4 mm, lobes triangular, much longer than tube. Petals yellowish, spatulate, apex truncate, slightly longer than sepals. Filament tube enclosing ovary. Ovary sessile, puberulent; style inserted obliquely; stigma fimbriate. Capsule... Read more »

Sterculia lanceolata

Species: Sterculia lanceolata

English Name: Lance-leaved Sterculia

Chinese Name: 假蘋婆

Family: Sterculiaceae

Description:
Trees. Branchlets at first pilose. Petiole 2.5-3.5 cm; leaf blade elliptic, lanceolate, or elliptic-lanceolate, 9-20 × 3.5-8 cm, abaxially nearly glabrous, adaxially glabrous, lateral veins 7-9 on each side of midrib, curved upward, connected near margin, base obtuse or nearly rounded, apex acute. Inflorescence paniculate, 4-10 cm, densely many-branched. Calyx reddish, divided almost to base, pubescent abaxially, lobes oblong-lanceolate or oblong-elliptic, 4-6 mm, stellately spreading, margins ciliate, apex obtuse or minutely mucronate. Male flowers: androgynophore 2-3 mm, curved. Anthers ca. 10. Female flowers: ovary globose, hairy. Style curved; stigma minutely... Read more »

Reevesia thyrsoidea

Species: Reevesia thyrsoidea

English Name: Bunch-like Reevesia

Chinese Name: 兩廣梭羅樹

Family: Sterculiaceae

Description:
Trees, evergreen; bark gray-brown. Branchlets brownish black when dried, sparsely stellate puberulent. Petiole 1-3 cm, swollen at both ends; leaf blade oblong to elliptic, 5-7 × 2.5-3 cm, leathery, both surfaces glabrous, lateral veins 5-7 on each side of midrib, base rounded or obtuse, apex acute or acuminate. Inflorescence cymose-corymbose, densely flowered, puberulent. Calyx campanulate, ca. 6 mm, abaxially stellate puberulent, adaxially hairy on upper part, 5-lobed, lobes ca. 2 mm, apex acute. Petals 5, white, spatulate, slightly extending outward, ca. 10 mm. Androgynophore 2-3 cm. Ovary globose, 5-celled, hairy.... Read more »

Pterospermum heterophyllum

Species: Pterospermum heterophyllum

English Name: Karnikar

Chinese Name: 翻白葉樹

Family: Sterculiaceae

Description:
Trees, to 20 m tall; bark gray or gray-brown. Branchlets yellow-brown pilose. Petiole 1-2 cm, hairy; leaf blade oblong-ovate to oblong, 7-15 × 3-10 cm, abaxially densely yellow-brown stellate pubescent, adaxially nearly glabrous; base obtuse, truncate or obliquely cordate, apex acute or acuminate; juvenile and coppice leaves: petiole ca. 12 cm, leaf blade palmately 3-5-lobed, ca. 15 cm in diam., base conspicuously peltate, truncate or slightly rounded. Flowers solitary or in cymes of 2-4; pedicel 0.5-1.5 cm; epicalyx lobes closely adnate to calyx, scalelike. Sepals linear, up to 2.8 × 0.4... Read more »

Pterospermum acerifolium

Species: Pterospermum acerifolium

English Name: Acer-leaved Wingseedtree

Chinese Name: 翅子樹

Family: Sterculiaceae

Description:
Big trees; bark smooth. Branchlets densely velutinous when young. Stipules linear; petiole robust, striate; leaf blade nearly orbicular or oblong, sometimes ± lobed, 24-34 × 14-29 cm, leathery, abaxially densely yellowish and gray stellate velutinous, adaxially sparsely hairy or glabrous, base cordate, margin entire or crenate, apex truncate, nearly rounded, or pointed; juvenile leaves palmately lobed, peltate. Flowers solitary, fragrant; epicalyx lobes fimbriate or palmately divided. Sepals linear-oblong, ca. 9 × 0.7 cm, abaxially densely yellow-brown stellate velutinous, adaxially white villous. Petals white, linear-oblong, slightly cuneate, slightly shorter than sepals,... Read more »

Pentapetes phoenicea

Species: Pentapetes phoenicea

English Name: Purple-red Pentapetes

Chinese Name: 午時花

Family: Sterculiaceae

Description:
Annual herbs, 0.5-1 m tall, sparsely stellate hairy. Petiole 1-2.5 cm; leaf blade linear-lanceolate, 5-10 × 1-2 cm, base broadly cuneate, rounded or truncate, margin crenate, apex acuminate. Flowers opening at noon, closing at dawn. Calyx lobes lanceolate, ca. 1 cm, abaxially stellate velutinous and hispid. Petals red, broadly ovate, ca. 12 mm. Staminodes tongue-shaped, 12-13 × ca. 1 mm. Ovary ovoid, villous; ovules 8-12 per cell; style filiform, glabrous, ca. 1 cm. Capsule nearly globose, ca. 1.2 cm in diam., densely stellate hairy and hispid, shorter than persistent calyx.... Read more »

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