Gossia clusioides subsp. taomensis N. Snow, 2020

Snow, Neil, 2020, A revision of New Caledonian Gossia N. Snow & Guymer (Myrtaceae), Adansonia 42 (7), pp. 131-177 : 150-151

Gossia clusioides subsp. taomensis N. Snow , subsp. nov. ( Figs 7 ; 8G ; 11B )

Leaf blades flat to slightly bullate, narrowly elliptic to elliptic, 3-6 cm, less than 3 times as long as wide; petioles 2-7 mm long. Inflorescences 3-7 cm long.

TYPUS. — New Caledonia. Grande Terre, North Prov ., Mont Taom : Crête Est , 1000 m, 13.VII.1979, MacKee 37148 (holo-,

P [ P00402734 ]; iso-, BISH, NOU[NOU029551, NOU029585], WELTU).

PARATYPI. — New Caledonia. Grande Terre, North Prov. Base sud du Koniambo, Riv. Rouge, maquis sur terrain rocheux serpentineux, 50 m, 23.III.1969, MacKee 20343 (P[P02089846]) ; Base sud de Koniambo (as « Koriambo »), Rivière Rouge, 50- 100 m, 15.IV.1972, MacKee 25301 ( NOU [ NOU029552 ], P[P02089983] ; Taom, Mt. Homédéboa , 800-900 m, 16.X.1969, MacKee 20967 ( NOU [ NOU029587 ], P[P02089845]) ; Mont Paeoua, 900-1000 m, VI.1973, MacKee 26887 ( NOU [ NOU029584 ], P[P02089843]) ; Base du Koniambo, Rivière Pandanus, 3.X.2005, Munzinger & Swenson 3015 (P[P04885463]); Massif du Taom, 900 m, 24.III.1982, Veillon 4828 ( NOU [ NOU029585 , NOU029551 ], WELTU) .

REPRESENTATIVE HERBARIUM SPECIMEN. — P00402734.

DISTRIBUTION, HABITAT AND PHENOLOGY. — Peaks of northwest coast (Koniambo and Massif du Taom; Fig. 7 ); in maquis over ultramafics, c. 50-1000 m. Flowering confirmed only for March; fruiting July through October.

REMARKS

Evidently rare near the base of Koniambo. This subspecies has leaves similar to, but of significantly smaller dimensions, than those of G. c. subsp. tiebaghiensis subsp. nov.

Figures

FIG. 7. — Distribution map for subspecies of Gossia clusioides (Brongn. & Gris) N. Snow.

FIG. 8. — Typical leaf morphology for most subspecies of Gossia clusioides (Brongn. & Gris) N. Snow: A, G. c. subsp. bleuensis N. Snow., subsp. nov., with narrowly elliptic, bullate blades; B, G. c. subsp. maoyana N. Snow, subsp. nov., blades relatively narrow and bullate but longer than those of subsp. bleuensis; C, D, G. c. subsp. callmanderiana N. Snow, subsp. nov., blades elliptic and flat; E, G. c. subsp. rembaiensis N. Snow, subsp. nov.; F, G. c. subsp. clusioides; G, G. c. subsp. subsp. taomensis N. Snow, subsp. nov.; H, G. c. subsp. tiebaghiensis N. Snow, subsp. nov. Vouchers: A, McPherson 4001 (BISH); B, Dawson 16603 (WELTU)); C, Jaffré 1275 (BISH); D, Virot 1537 (BISH); E, McPherson 5083 (BISH); F, MacKee 25608 (NOU); G, Veillon 4828 (NOU); H, McPherson 3323 (NOU). Scale bar: 2 cm.

FIG. 11. — Living specimens of Gossia clusioides: A, G. c. subsp. avanguiensis N. Snow, subsp. nov. vel aff.; B, G. c. subsp. taomensis N. Snow, subsp. nov. Vouchers: A, ©Hervé Vandrot, taken at Naraja entre Ouaté et Ponérihoen (http://endemia.nc); B, Munzinger 3015; photo by J. Munzinger.