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Flora of Australia Online

HOLLANDAEA

B.P.M.Hyland

Hollandaea F.Muell., Chem. & Druggist Australasia 2: 173 (1887); named after Sir Henry Holland (1825–1914), Secretary of State for the Colonies (1888–1892)

Type: Hollandaea sayeriana (F.Muell.) L.S.Sm.

Trees. Leaves alternate, simple. Conflorescence raceme-like, axillary, pendulous. Flowers actinomorphic, bisexual, usually paired, sessile on a common peduncle, or pedicellate with no peduncle, or on a very short peduncle; common and floral bracts present at anthesis. Tepals valvate, coiled and reflexed at anthesis, dilated at apex. Stamens 4; anthers 2-locular, basifixed, dehiscing by longitudinal slits. Hypogynous glands 4. Ovary sessile; ovules c. 4–14; pollen presenter clavate; stigmatic surface terminal. Fruit a follicle, green when ripe. Seeds wingless. 

A genus of 2 species confined to north-eastern Qld. 

Readily distinguished by the simple leaves, red or purplish tepals, follicular fruits, wingless angular seeds and thin testa.

F.M.Bailey, Hollandaea , Queensland Fl. 4: 1353–1354 (1901); W.D.Francis, Austral. Rain-forest Trees 4th edn, 394 (1982); J.W.Wrigley & M.Fagg, Banksias, Waratahs & Grevilleas 423–424 (1989).

Leaves less than 4 cm wide; ovules fewer than 6; fruits verrucose, less than 6 cm long

riparia

Leaves more than 4 cm wide; ovules more than 6; fruits ±smooth, more than 6 cm long

sayeriana

 

Data derived from Flora of Australia Volumes 16 (1995), 17A (2000) and 17B (1999), products of ABRS, ©Commonwealth of Australia