A new endemic species of Mollinedia (Mollinedieae, Monimiaceae) from the southern limit of the Atlantic coastal moist forest Author Molz, Martin 0000-0003-4683-0061 Museu de Ciências Naturais, Av. Salvador França, 1427, Porto Alegre, Rio Grande do Sul, 90960 - 000, Brazil & martin 2626 molz @ gmail. com; https: // orcid. org / 0000 - 0003 - 4683 - 0061 martin2626molz@gmail.com Author Silveira, Denise 0000-0003-3101-6112 Universidade Federal do Rio Grande do Sul, Programa de Pós-Graduação em Botânica, Av. Bento Gonçalves, 9500, Porto Alegre, Rio Grande do Sul, 91501 - 970, Brazil & denisesilvei @ gmail. com; https: // orcid. org / 0000 - 0003 - 3101 - 6112 denisesilvei@gmail.com text Phytotaxa 2021 2021-06-24 508 3 279 288 http://dx.doi.org/10.11646/phytotaxa.508.3.3 journal article 305130 10.11646/phytotaxa.508.3.3 e4ca8008-97af-4dc0-af1b-42de4052dbd9 1179-3163 5425956

TABLE 1. Diagnostic morphological characters of Mollinedia leucantha sp. nov. and the morphologically similar species M. schottiana.

Characters	Mollinedia leucantha sp. nov.	Mollinedia schottiana
* Lírio & Peixoto (2017) observed tomentose pubescence on branches, lamina drying usually dark-green or brown, and 30–42 stamens in specimens collected in the Brazilian state of Espírito Santo.
Rhytidome	Slightly fissured, occasionally detaching in fine scales	Almost smooth and covered with lenticels
Leaf blade (surface)	Drying usually pale green to brownish on upper surface and greyish-brown on lower surface	Drying usually dark-green to light-brown* on the upper surface and gray-green to yellowish-brown on the lower surface
	Inconspicuous on the upper surface and prominent on Secondary veins markedly impressed on the upper
Leaf venation	the lower surface, the midvein protruding, secondary veins becoming less visible toward the margin	surface of the leaf and protruding on the lower surface
Pubescence of young stems and leaves	Trichomes appressed, short and densely matted in dry specimens; whitish to ivory, and shoots and flower buds whitish when fresh	Trichomes erect in the branches* and appressed in the leaves, longer and less entangled; yellow-gold, concentrated on the midvein and secondary veins, and shoots and flower buds green to yellowish-green when fresh
Flower color	Whitish to ivory in fresh material; dried light-grey	Yellowish in fresh material; dried brown
Stamens	19–20	20–34*