8. Homalium parkeri Baker in J. Linn. Soc., Bot. 20: 150. 1883.

Lectotypus (designated by SLEUMER, 1973: 309): MADAGASCAR. Prov. Antananarivo: Andrangolaoka, s.d., Parker s.n. (K [K000231480] image seen) . Syntypus: MADAGASCAR. Prov. Antananarivo: forests of Imerina, s.d., Baron 1295 (K [K000231479] image seen, TAN [TAN000592] image seen) .

Tree to 20 m tall, 36 cm dbh, or shrub; young twigs glabrous (glabrate). Leaves: petiole 2.5-7(-8) mm long, glabrous (glabrate); blade elliptical to narrowly elliptical (to narrowly obovate, ovate or obovate), (2.8-)4-7.3(-9.3) × 1.3-3.1 (-3.4) cm; base cuneate (moderately convex, attenuate); margins serrate with rounded tooth apices; apex acute (rounded, aberrantly emarginate). Inflorescences spicate, (1.8-) 3-7(-11.5) cm long, minutely pubescent (glabrate); flowers clustered, sessile; bracts broadly to transversely deltoid; bracteoles deltoid, minute, caducous. Flowers 5-7-merous, pale green to yellowish; sepals deltoid (ovate), 0.2-0.4(-0.5) mm long; petals ovate (oblong-ovate), 0.7-1.5 mm long, glabrous (sparsely pubescent on abaxial surface), apex acute to rounded; filaments 0.3-0.6 mm long; upper surface of ovary shortpubescent, usually densely; styles (2-)3(-4), 0.2-0.5 mm long.

Vernacular names. – “Hazombato” (Anonymous 19, Hong-Wa et al. 392, Lehavana et al. 487, Service Forestier 16807, 19957, 28755); “Hazombatofotsy” (Louvel 43); “Hazombatomainty” (Service Forestier 16010, 16822); “Hazomby” (Service Forestier 595, 1043, 3926, 6006, 10370, 15990); “Hazompoza” (Service Forestier 7592); “Moara” (Réserves Naturelles 9460); “Ramaindafa” [?] (Réserves Naturelles 10472); “Ranga” (Service Forestier 15873).

Distribution, ecology and conservation status. – Homalium parkeri is widespread in humid forests of eastern Madagascar, extending to high-elevation montane moss forest. A preliminary assessment of its conservation status should be “Least Concern” [LC].

Selected material examined. – MADAGASCAR. Prov. Antananarivo: Ambohitantely RS, 1620 m, 18°11’52.5’’S 47°17’03’’E, 7.III.2004, fl., Almeda et al. 8645 (MO) ; Angavokely ( Carion), V.1956, fl., Bosser 9575 (P) ; PK 138 de la route Tananarive-Majunga, 8.VII.1971, post-fl., Cremers 1636 (MO) ; W Imerina, Andrangolaoka, III.1881, fl. & fr., Hildebrandt 4102 (P [2 sheets]) ; Firarazana, forêt de Manjato, 18°06’19’’S 47°14’43’’E, 1447 m, 6.VII.2005, fl., Hong-Wa et al. 392 (MO, P) ; 7 km E of Anjozorobe, 18°22’S 48°00’E, 1350 m, 2.IV.1988, fl., Lowry & Randrianasolo 4419 (MO, P); Ambatolaona, 1700 m, VII.1914, fl., Perrier de la Bâthie 6720 (P); Tsinjoarivo, Ambatotsipihina, 22.XI.1949, fl., Service Forestier 1043 (P) ; Antsahambavy, Manjakandriana, 14.V.1956, fl., Service Forestier 15873 (P) ; Ambohidraondriana, Ankazobe, 3.V.1956, fl., Service Forestier 15990 (P) ; Ambatondradama au N d’Ambohimanga, 30.IV.1957, fl., Service Forestier 18027 (P) ; Tsiazompaniry, forêt d’Ambohimangakely, 6.IV.1961, fl., Service Forestier 19894 (P) ; Ibity massif W, Vohipisaka, 20°09’42’’S 46°58’54’’E, 1423 m, 29.II.2004, fl., Skema et al. 22 (MO) ; SW Andranofeno Sud village, 18°04’59’’S 47°10’26’’E, 1407 m, 5.IV.2004, fl., Skema et al. 54 (MO) . Prov. Antsiranana: Manongarivo RS, 14°05’S 48°23’E, 1470-1570 m, 14-15.IV.1992, fl., Malcomber et al. 1495 (MO, P) ; SW edge of Anjanaharibe-Sud Reserve, 14°48’15’’S 49°26’45’’E, 1000-1100 m, 6.VIII.1997, fr., McPherson 17257 (MO) ; Anjanaharibe-Sud, 14°47’45’’S 49°27’54’’E, 1161 m, 22.V.1995, fl., Ravelonarivo & Rabesonina 811 (G, K, MO, P) ; Andranomilolo, 13 km à l’W du village d’Andranopositra, 14°19’16’’S 49°17’56’’E, 1462 m, 10.XI.2006, fl., Ravelonarivo et al.2015 (MO, P); Befingotra, Andranotsarabe, 14°45’11’’S 49°28’49’’E, 762 m, 21.IV.1997, fl., Razafindramora et al. 26 (MO) . Prov. Fianarantsoa: Andringitra, 26.II.1938, fl., Herb. Jard. Bot. 3141 (P [2 sheets]) ; Ranomafana, W side of Namorona riv., 21°16’S 47°21’E, 1080 m, 6.III.1992, fl., Malcomber et al. 1317 (MO, P) ; Ambalamanakana, 30 km S d’Ambositra sur RN 7, 20°44’06’’S 47°11’37’’E, 1650 m, 26.III.1996, fl, Rakotomalaza et al. 678 (MO); Ranomafana, parcelle n° 3, 21°15’30’’S 47°25’E, 900-1100 m, 14.VI.1994, fr., J. Randrianasolo et al. 65 (MO) . Prov. Mahajanga: Ambalotsangana, forêt de Makira, 15°31’S 49°05’’E, 1169 m, s.d., fl., Lehavana et al.487 (MO, P) . Prov.Toamasina: Fkt. Ampita[m]be, Ambatovy, Ampanatovana forest, 18°51’17’’S 48°19’07’’E, 1085 m, 9.VI.2008, fl., Antilahimena et al. 6277 (G, MO) ; Andapanomby, près de la riv. Ampandisanana, Makira NW, 15°21’17’’S 49°06’25’’E, 25.IV.2007, fr., Bernard & Birkinshaw 456 (G, MO, P) ; Fkt. Ambohibato, forêt de Rianan’i Galy, 18°39’32’’S 47°57’56’’E, 1291 m, 10.IV.2005, fl., Raharijaona et al. 72 (MO) ; Mantadia PN, Andranomanamponga, 18°50’23’’S 48°26’31’’E, 1110 m, 19.III.2013, fl., Ramahenina et al. 224 (G, MO, P) ; Zahamena PN, campement Analalentitra, 17°32’47’’S 48°44’21’’E, 1235-1400 m, 29.IX.2001, fr., Randrianjanaka et al. 629 (MO) ; Fkt. Ampitambe, Ambatovy, forêt d’Analamay, 18°49’07’’S 48°19’26’’E, 1138 m, 5.IX.2011, fl., Ravelonarivo 3950 (G, MO) ; Ambatondrazaka, Manaka Est, 27.VII.1960, fl., Réserves Naturelles 10472 (P); Bekiritsika [?], Lakato, 8.X.1953, fl., Service Forestier 7592 (P [2 sheets]) ; Perinet, km 7 Antaniditra, 5.V.1954, fl., Service Forestier 10370 (P); W du massif de l’Ampahana, à l’E de Fierenana, 950-1300 m, 10-16.III.1969, fl., Service Forestier 28755 (MO, P) .