A monograph of the genus Myrceugenia (Myrtaceae) (L. R. Landrum 1981)
Myrceugenia pinifolia: Shrub up to ca. 2 m high; hairs reddish-brown to whitish, a mixture of simple and dibrachiate; twigs densely pubescent when young, glabrescent with age, the hairs usually spreading; leaves narrowly elliptic to linear, 1-3 cm long, 0.2-0.8 cm wide, 3-12 times as long as wide, glabrous to very sparsely pubescent, the hairs mainly appressed, dibrachiate; apex and base acute or obtuse; petiole chan¬neled, densely pubescent, 0.5-3 mm long, 0.3-0.8 mm thick; midvein slightly impressed proximally to not at all above, moderately prominent to indistinct below; lateral and marginal veins indistinct; blades coriaceous to subcoriaceous, grey-green, often dark above, light grey-green to light yellow-green below, usually strongly discolorous, the surfaces dull; peduncles uniflorous, 5-10 mm long, 0.3-¬0.5 mm wide, densely pubescent, solitary in the axils of leaves; bracteoles ovate to lanceolate, (0.5-)0.7-1.8 mm long, 0.3-1 mm wide, 1.3-2.6 times as long as wide, subcoriaceous, glabrous or nearly so within, sparsely pubescent without, clasping the hypanthium; calyx-lobes bluntly ovate to shortly oblong, 1-2.3 mm long, 1-2.5 mm wide, 0.8-1.3 times as long as wide, subcoriaceous, glabrous or nearly so within, sparsely pubescent without, concave; hypanthium obconic, 1.5¬-2.5 mm long, densely pubescent; disk sparsely pubescent to glabrous, 1.5-2.5 mm across; style glabrous 6-7 mm long; stamens 100-140, 3-8 mm long; anthers 0.3-0.4 mm long when dry; petals glabrous, suborbicular ca. 3 mm in diam.; ovary 2-locular; ovules 6-12 per locule; fruit purple.