Protologue Description: MICONIA CREBRIBULLATA Wurdack, sp. nov.
M. caelatae (Bonpl.)DC. affinis, foliis floribusque maioribus differt.
Sect. Cremanium. Ramuli primum sulcato-quadrangulares demum teretes sicut petioli laminarum subtus venae primariae inflorescentía hypanthiaque dense pilis stellulato-dendroídeis furfuracei. Petioli (2.5-)3-5 cm longi; lamina 12-18(-22) X 5-8(10) cm elliptica vel ovato-elliptica apice gradatim acumínato basi late acuta vel obtusa, coriacea et integra, supra glabra et dense bullata, subtus densiuscule stellato-puberula, 3-nervata (pari exteriori inframarginali debili neglecto) nervis secundariis 3-5 mm inter se distantibus nervulis subtus elevato-reticulatis areolis ca 1 mm latis. Panicula 10-12 cm longa multiflora, ramis in quoque nodo (2-)4; flores 5-6-meri sessiles, bracteolis ca 1 mm longis subulatis caducis; hypanthium (ad torum) 1.9 mm longum; calycis tubus 0.3 mm longus, lobis interioribus ca 0.15 mm longis rotundatis, dentibus exterioribus obscuris inframarginalibus. Petala 1.5-1.6 X 1.3 mm oblongo-subrotundata minute granulosa. Stamina paulo dimorphica glabra; filamenta 1.8-1.9 mm longa; antherarum thecae 1.1-1.2 X 0.4 X 0.5 mm oblongae late biporosae, connectivo non prolongato ad basim dorsaliter dente 0.3 mm vel 0.1 mm obsito. Stigma paulo expansum 0.3 mm diam.; stylus 3.5 X 0.2-0.3 mm glaber; ovarium 3-loculare et ca 2/3 inferum apice 0.3 mm alto granuloso et sparsissime glanduloso.
Type Collection: F. H. Dobson S F. H_. Wolfe 1080 (holotype US 3013932; isotype CONN), collected in pastures above Baeza, Prov. Napo, Ecuador, 29 Jan. 1972. "Tree 20 ft. tall at edge of cut forest. White stamens."
The 3-nerved leaf blades of M. caelata are 3.5-7 X 1.3-2.2 cm, the hypanthia 1.5-1.6 mm long, the calyx lobes 0.3-0.35 mm long, and the petals 1 X 1 mm; in pubescence and rugose-bullate leaves, the species are alike. Miconia jahnii Pittier has finer pubescence and plane leaf blades.