Supporting regional databasing, digitization, and data sharing of plant specimens
Melanthera lavarum
Melanthera lavarum(Gaudich.) W.L.Wagner & H.Rob.
Family: Asteraceae
coastal nehe
[Lipochaeta lavarum (Gaudich.) DC., moreLipochaeta lavarum var. conferta Sherff, Lipochaeta lavarum var. hillebrandiana Sherff, Lipochaeta lavarum var. lanaiensis Sherff, Lipochaeta lavarum var. longifolia Sherff, Lipochaeta lavarum var. maneleana Sherff, Lipochaeta lavarum var. ovata Sherff, Lipochaeta lavarum var. salicifolia Sherff, Lipochaeta lavarum var. scaposa H. St. John, Lipochaeta lavarum var. skottsbergii Sherff, Lipochaeta lavarum var. stearnsii O. Deg. & Sherff, Lipochaeta molokiniensis H. St. John, Lipochaeta warshauerii H. St. John]
Leaves usually gray to grayish green, linear, lanceolate, elliptic to narrowly ovate, (2.3-)3-6.5(-8) cm long, (0.6-)0.8-1.5 cm wide, densely strigillose especially on lower surface, margins entire to serrate, petioles 0.5-1.5 cm long, with winged margins.
Flowers
Heads solitary or in clusters of 2-3; outer involucral bracts ovate to oblong, (3-)3.8-6.5(-11) mm long, 2-2.6 mm wide, strigillose, apex acute to rounded; chaffy bracts tan throughout; ray florets 8-10 per head, rays oblong, (9-)10-15 mm long, 4-6.2 mm wide; disk florets 40-60 per head, corollas 5-merous, 3.2-4.1 mm long; anthers 1.6-2 mm long; pappus of scales forming an uneven corona tipped with short, deciduous awns.
Fruit
Achenes nearly smooth, often with a fringe of scales along the upper outer rim, ray achenes 2.2-2.8(-3.2) mm long, ca. 3 mm wide, with wings ca. 0.5 mm long, disk achenes 2.2-3 mm long, 1.6-2.3 mm wide, with wings ca. 0.2 mm long.