MainDescriptionReferences

Gravisia rubens L.B.Sm.  diagnose  protologue
; 0 flowering plant over 6 dm; 1 high. leaves (only one known) ca55 cm; long, bearing appressed white scales with brown centers; sheath broadly subelliptic, scarcely distinct from the blades, ca 2 dm; long, dark brown; blade ligulate, broadly rounded and cuspidate, to 12 cm; wide, subdensely serrate with dark spines 3 mm; long. inflorescence: peduncle over 7 mm; in diameter, soon glabrous; peduncle bracts imbricate, large, elliptic, entire, subcoriaceous when dry, densely pale-lepidote; fertile part twice-branched, 35 cm; long, lax; axes soon glabrous; primary bracts like the peduncle bracts, shorter than the branches, deep rose; branches spreading-ascending, to 14 cm; long, the lowest with the spikes somewhat separated; spikes broadly fusiform; floral bracts broadly ovate, mucronulate, 30 mm; long, subchartaceous, strongly nerved, broadly convex, slightly carinate toward apex, glabrous, the outer ones deep rose with narrow yellow margin, the inner progressively paler. flowers: sepals asymmetric with a large semi-elliptic wing that is cuneate at base, 22 mm; long including the short micro, short-connate; petals appendaged; pollen grains globose, multiporate. pistil: ovary glabrous, the epigynous tube 2.5 mm; high; pl; l, fig; 3 basal branch of inflorescence x 1/2; fig; 4 sepal x 1.

Edited from : Smith 1962b. (protologue) Notes on Bromeliaceae XVIII .