Symphyllophyton Gilg, 1897

Guimarães, Elsie Franklin, Alves, Ruy José Válka, Santos, Eduardo Ribeiro Dos & Silva, Nílber Gonçalves Da, 2021, Synopsis of the Brazilian genus Symphyllophyton (Gentianaceae) with four new species, Phytotaxa 521 (3), pp. 159-176 : 161

publication ID	https://doi.org/ 10.11646/phytotaxa.521.3.2
DOI	https://doi.org/10.5281/zenodo.5540409
persistent identifier	https://treatment.plazi.org/id/510B87CB-FFA4-B67D-FF37-778CFBF6055B
treatment provided by	Plazi
scientific name	Symphyllophyton Gilg
status

Treatment

Symphyllophyton Gilg View in CoL

Nat. Pflanzenfam. Nachtr. [Engler & Prantl] I. 283 (1897); complemented by Gilg (in Engler Beibl. Bot. Jahrb.60: 43 (1898).

Type:— BRAZIL: Goiás: “ Brasilia : civit. Goyaz, Morro das Lajes, prope urbem Goyaz, inter saxa. Symphyllophyton caprifolioides (...) - see comments below

Lectotypus hic designatus: Glaziou 21773 R!, Isolectotypi: K (photo!), P (photo!) .

Annual herbs or subshrubs; stems terete, branched. Leaves opposite, the basal ones forming a rosette, those along the stem perfoliate, connate or free. Inflorescence lax cymes, disposed in dichasia; peduncles with leafy bracts. Flowers 4-merous, actinomorphic. Calyx tube shorter than the lobes; colleters absent. Corolla infundibuliform to salverform, persistent. Stamens 4, didynamous, inserted at the distal portion of the corolla tube, one pair with short filaments and anthers partly included, the other pair with long filaments and anthers exserted; anthers longitudinally dehiscent, connectives projected, erect after anthesis; pollen in tetrads with reticulate exine. Ovary short-pedunculate, oblong, apically attenuate, unilocular, with two thickened placentae, multiovulate; style filiform, bilobed, included or exserted.

Distribution and habitat: — Symphyllophyton is endemic to Brazil, with species known mainly from Cerrado vegetation in the states of Bahia, Goiás, Maranhão, Piauí and Tocantins ( Figure 1 View FIGURE 1 ).