Drosera × fontinalis Rivadavia (2009: 121)

Gonella, Paulo Minatel, Sano, Paulo Takeo, Rivadavia, Fernando & Fleischmann, Andreas, 2022, A synopsis of the genus Drosera (Droseraceae) in Brazil, Phytotaxa 553 (1), pp. 1-76 : 67-68

33. Drosera × fontinalis Rivadavia (2009: 121) ( D. grantsaui × D. tomentosa ). Figure 23a, b

Type: — BRAZIL Minas Gerais: Grão Mogol , 09 September 1994, Rivadavia 302 (holotype SPF-93213!) .

Perennial, rosetted, acaulescent. Leaves semi-erect, with circinate vernation, oblong; stipule rectangular, apical 1/2– 1/3 fimbriate. Scape erect at the base; base glabrous to sparsely eglandular-pilose; apex, pedicels and sepals glandularpilose. Seeds usually aborted, but if present, then obconical, testa reticulate.

Illustrations: —Rivadavia (2009: 122, fig. 1—habit and details).

Distribution: — Brazil (Northeast: BA; Central-West: GO; Southeast: MG), endemic. Always found syntopically with one or both parental species. Common, though not always present, wherever the two parental species are syntopic (Fig. 23a).

Habitat: —Grows in waterlogged habitats on stream sides and seepages in campo rupestre vegetation, in sandy to peat-sandy soils.

Phenology: —Observed in flower from June to November, usually coinciding with the flowering period of D. tomentosa .

Notes: —The hybrid D. × fontinalis can result from the cross of D. grantsaui with either of the two D. tomentosa morphotypes.

Specimens examined: —For an extensive list, see Rivadavia (2009: 123).

Additional specimens examined:— BRAZIL. Minas Gerais: Grão Mogol, estrada para Montes Claros , 07 September 2011, Gonella et al. 483 ( SPF) . Itacambira, km 91 da estrada para Montes Claros , 22 April 2010, Gonella et al. 291 ( SPF) ; ibid., 07 March 2013, Gonella et al. 597 ( SPF) .