Phallus

Trierveiler-Pereira, Larissa, De Meijer, André A. R., Reck, Mateus Arduvino, Hosaka, Kentaro & Silveira, Rosa Mara Borges Da, 2017, Phallus aureolatus (Phallaceae, Agaricomycetes), a new species from the Brazilian Atlantic Forest, Phytotaxa 327 (3), pp. 223-236 : 233

Key to identify species of Phallus s.l. known to occur in Brazil

1. Basidiomata very small, up to 1.5 cm high, gregarious on dead wood; receptacle surface smooth ................ Xylophallus xylogenus

– Basidiomata higher than 1.5 cm, growing on wood debris or soil; receptacle surface lamellate, merulioid to reticulate.................2

2. Receptacle surface lamellate to wig-like, with a white cap (calyptra) on the top..............................................................................3

– Receptacle surface merulioid to reticulate, calyptra absent...............................................................................................................4

3. Pseudostipe white ............................................................................................................................................... Itajahya galericulata

– Pseudostipe pinkish .................................................................................................................. I. rosea (Delile) E. Fisch. (1929:294)

4. Receptacle spherical at first, then campanulate; outer volva tuberculate, light brown; inner volva yolk yellow................................ ............................................................................................................................................................................... Phallus glutinolens

– Receptacle campanulate to cylindrical; outer volva smooth; inner volva whitish or pale colored....................................................5

5. Indusium present................................................................................................................................................................................6

– Indusium absent................................................................................................................................................................................12

6. Indusium short, not covering the pseudostipe entirely.......................................................................................................................7

– Indusium long, covering the pseudostipe entirely..............................................................................................................................9

7. Receptacle surface honeycomb-like reticulate ................................................................................................................ P. duplicatus

– Receptacle surface rugulose to merulioid...........................................................................................................................................8

8. Volva black ................................................................................................................................................................... P. atrovolvatus

– Volva whitish to grayish ................................................................................................................................................... P. merulinus

9. Receptacle surface rugulose to merulioid....................................................................................................................... P. aureolatus

– Receptacle surface honeycomb-like reticulate.................................................................................................................................10

10. Receptacle white.............................................................................................................................................................. P. indusiatus

– Receptacle reddish, orange to pink...................................................................................................................................................11

11. Receptacle orange to pink; indusium white to pale orange; pseudostipe white ............................................................. P. callichrous

– Receptacle and indusium bright orange; pseudostipe pinkish to light orange .......... P. cinnabarinus (W.S. Lee) Kreisel (1996:278)

12. Pseudostipe and receptacle reddish to orange ................................................................................................................ P. rubicundus

– Pseudostipe white ...................................................................................................................................................... P. campanulatus