Pityrogramma
publication ID |
https://doi.org/ 10.11646/phytotaxa.332.3.1 |
persistent identifier |
https://treatment.plazi.org/id/038F87DD-FFFA-7939-FF49-FD7AFA1AFBF3 |
treatment provided by |
Felipe |
scientific name |
Pityrogramma |
status |
|
Key to the Bolivian species of Pityrogramma View in CoL
1 Fronds, small, <15 cm long; blades deltate, <10 cm long; stipes <1 mm thick; blades lacking farina and hairs abaxially ............... ................................................................................................................................................................................... P. chaerophylla View in CoL
- Fronds larger,> 25 cm long; blades narrowly deltate to oblong-deltate,> 20 cm long; stipes> 1 mm thick; blades usually with farina abaxially, if farina lacking then moderately hairy ............................................................................................................................ 2
2 Distal pinnae entire, linear or narrowly lanceolate .......................................................................................................... P. trifoliata View in CoL
- Distal pinnae pinnately lobed or divided, narrowly triangular ......................................................................................................... 3
3 Blades abaxially hairy, lacking farina ............................................................................................................................. P. ochracea View in CoL
- Blades abaxially without hairs, usually farinose .............................................................................................................................. 4
4 Rachises stramineous to pale reddish brown .............................................................................................................. P. chrysoconia View in CoL
- Rachises lustrous brown to atropurpureous ...................................................................................................................................... 5
5 Basal pinnae equilateral, not elongated on the basiscopic sides; distal pinnae and pinnules ascending .......................................... 6
- Basal pinnae inequilateral, elongated on the basiscopic sides; distal pinnae and pinnules perpendicular to their axes .................. 7
6 Farina bright yellow to yellow-orange ............................................................................................................... P. austroamericana View in CoL
- Farina white ............................................................................................................................................................... P. calomelanos View in CoL
7 Farina white to pale yellow ................................................................................................................................................ P. ebenea View in CoL
- Farina bright yellow to yellow-orange ........................................................................................................................... P. presliana View in CoL
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