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Myrsine grantii var. toviiensis Fosberg & Sachet

Comprehensive Description

provided by Smithsonian Contributions to Botany
Myrsine grantii var. toviiensis Fosberg & Sachet

Myrsine grantii var. toviiensis Fosberg 8c Sachet, Smithsonian Contr. Bot., 21:8, 1975.

Shrub to 4 m, branchlets 2–4 mm thick, brown; cataphylls obovate rounded at apex; leaves ellipticoblong to slightly obovate, 9–13.5 × 4–5.5 cm or smaller, chartaceous to subcoriaceous, apex acute to obtusish in general outline, tip blunt to rounded, base from strongly contracted to cuneate or slightly attenuate to a very slightly winged petiole, 5–10 mm long, 2 mm wide, variably dark punctate and lineate beneath, less so but papillate above, especially when young, venation not prominent, less so beneath, main veins rather irregularly spaced, 12–15 (−17) on a side, usually curved downward (or divaricate) to join midrib, anastomosing near margin to form weak undulating submarginal vein, weaker veins in some intervals not reaching sub-marginal vein, network rather obscure; inflorescences reduced to very low scaly-bracted tubercles, bracts broadly ovate obtuse with erose brown glandular-ciliate margins; flowers 3–5 (−7) in a cluster, subsessile, calyx united about ⅓, lobes 4, ovate, obtuse to acutish, glandular-ciliolate, dark punctate-papillate, corolla in bud broadly ovoid, lobes about 1.5 mm long, ovate subacute, with black papillae dorsally, or these fused in lines, margins densely glandular-puberulent, in a band both inside and outside the actual margin; tube in bud extremely short; anthers or antherodes broadly sagittate, 1.5 mm long, blunt at apex, which is densely glandular-puberulent; pistil scarcely developed, style flattened, blade-like, ovate, less than 1 mm long; immature fruit on a pedicel 1.5 mm long, 1 mm thick, crowned with a disk-shaped coroniform stigma with several obscure lobes including an elongate 1–1.5 mm long subulate, angled one, caducous before full maturity; mature fruit globose, 5 mm in diameter when dry, crowned with a disk-like stigma scar, surface thickly beset with pale slightly elongate papillae, mixed with scattered black glandular dots.

Differs from var. grantii especially in the longer, narrower petioles, distinct submarginal veins in the thinner usually elliptic-oblong leaves with veins curving downward to join the midrib.

SPECIMENS SEEN.—Nukuhiva I.:“Plateau de Tovii, savane, 2 Mars 1973,” F. Hallé 2077 (US, type, P, MPU).
license
cc-by-nc-sa-3.0
bibliographic citation
Sachet, Marie-Hélène. 1975. "Flora of the Marquesas, 1: Ericaceae-Convolvulacae." Smithsonian Contributions to Botany. 1-38. https://doi.org/10.5479/si.0081024X.23

Comprehensive Description

provided by Smithsonian Contributions to Botany
Myrsine grantii var. toviiensis Fosberg & Sachet

Frutex, foliis elliptico-oblongis chartaceis vel subcoriaceis, petiolis 5–10 mm longis 2 mm latisque, venis in costam decurrentibus.

Shrub to 4 m, branchlets 2–4 mm thick, brown; cataphylls obovate rounded at apex; leaves elliptic-oblong to slightly obovate, 9–13.5 × 4–5.5 cm or smaller, chartaceous to subcoriaceous, apex acute to obtusish in general outline, tip blunt to rounded, base from strongly contracted to cuneate or slightly attenuate to a very slightly winged petiole, 5–10 mm long, 2 mm wide, variably dark punctate and lineate beneath, less so but papillate above, especially when young venation not prominent, less so beneath, main veins rather irregularly spaced, 12–15 (−17) on a side, usually curved downward (or divaricate) to join midrib, anastomosing near margin to form a weak undulating submarginal vein, weaker veins in some intervals not reaching submarginal vein, network rather obscure; inflorescences reduced to very low scaly-bracted tubercles, bracts broadly ovate obtuse with erose brown glandular-ciliate margins; flowers 3–5 (−7) in a cluster, subsessile, calyx united about ⅓, lobes 4, ovate, obtuse to acutish, glandular-ciliolate, dark punctate-papillate, corolla in bud broadly ovoid, lobes about 1.5 mm long, ovate subacute, with black papillae dorsally, or these fused in lines, margins densely glandular-puberulent, in a band both inside and outside the actual margin; tube in bud extremely short; anthers or antherodes broadly sagittate, 1.5 mm long, blunt at apex, which is densely glandular-puberulent; pistil scarcely developed, style flattened, blade-like, ovate, less than 1 mm long; immature fruit on a pedicel 1.5 mm long, 1 mm thick, crowned with a disk-shaped coroniform stigma with several obscure lobes including an elongate 1–1.5 mm long subulate, angled one, caducous before full maturity; mature fruit globose, 5 mm in diameter when dry, crowned with a disk-like stigma scar, surface thickly beset with pale slightly elongate papillae, mixed with scattered black glandular dots.

Differs from var. grantii especially in the longer, narrower petioles, distinct submarginal veins in the thinner usually elliptic-oblong leaves with veins curving downward to join the midrib.

SPECIMENS SEEN.—Marquesas Islands: Nukuhiva I.: Plateau de Tovii, savane, 2 Mar. 1973, F. Hallé 2077 (US, type, P, MPU).
license
cc-by-nc-sa-3.0
bibliographic citation
Fosberg, F. Raymond and Sachet, Marie-Hélène. 1975. "Polynesian Plant Studies 1-5." Smithsonian Contributions to Botany. 1-25. https://doi.org/10.5479/si.0081024X.21