TABLE 1. Morphological comparison among Ophiorrhiza macrocarpa, O. napoensis and O in Ophiorrhiza pseudonapoensis (Rubiaceae), a new species from Yunnan, southwestern China

TABLE 1. Morphological comparison among Ophiorrhiza macrocarpa, O. napoensis and O. pseudonapoensis. CharacterO. macrocarpaO. napoensisO. pseudonapoensisStipulesbroadly triangular, less than 1 mm long, caducoustriangular, 0.5–1 mm long, entire, caducousnarrowly triangular, 5–10 mm long, persistentLeaf bladesovate, lanceolate or elliptic-oblongnarrowly lanceolate to subovatelanceolate, oblanceolate, or ovate- lanceolateSecondary veins7–9 on each side7–12 on each side9–12 on each sideFlowershomostylousheterostyloushomostylousBractslinear, 1.5–5.0 mm long, subglabrous, often caducouslanceolate-linear, 10–14 mm long, glabrous, persistentoblanceolate, 7–20 mm long, glabrous, persistentCalyx lobestriangular, ca 0.4–0.6 mm longnarrowly triangular, longest one 1.8–2 mm long, shortest one 1.3–1.5 mm longensiform, (1.2–)1.5–2(–2.5) mm longCorollassalverform, pale red or pale pinksalverform to funnel form, whitesalverform, pale pink or whiteCorolla tubes23–27 mm long, inside glabrous except puberulent at the throat20–22 mm long, inside glabrous25–28 mm long, inside glabrous except puberulent at the throatCorolla lobesovate-triangular, dorsally narrowly winged, rostrate at apexligulate to ovate, dorsally ribbed with short hornsubovate, dorsally smooth, rostrate at apex