Danaea
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publication ID |
https://doi.org/ 10.11646/phytotaxa.344.1.8 |
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persistent identifier |
https://treatment.plazi.org/id/03EDBE1F-1E7C-FF97-FF6F-2873FA719258 |
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treatment provided by |
Felipe |
|
scientific name |
Danaea |
| status |
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Key to the Bolivian species of Danaea View in CoL
1 Rhizomes creeping, clearly dorsiventral with all leaf bases on the dorsal side in 2 parallel rows; petioles without nodes; adult leaves> 1 m long ...........................................................................................................................................................................… 2
– Rhizomes erect, leaf bases arranged spirally; petioles nodose; adult leaves <1 m long … .............................................................. 3
2 Pinnae 4–7(–10) pairs, 25–50 cm long, 5–9.5 cm wide, elliptic, all about the same size; pinna margins cartilaginous; pinna apices entire or with fine and very sharp serration that usually does not extend beyond the cartilaginous part ….............. D. cartilaginea View in CoL
– Pinnae (5–)9–16 pairs, 20–35 cm long, 3.5–6 cm wide, oblanceolate to elliptic, apical ones clearly smaller than basal ones; pinna margins not cartilaginous; pinna apices usually clearly serrate, serrations sharp or blunt …...................................... D. nigrescens View in CoL
3 Blades abaxially whitish; pinnae 8–19 pairs, oblong, parallel-sided; pinna apices acute to acuminate, dentate to sharply serrate ... ...................................................................................................................................................................................... D. moritziana View in CoL
– Blades abaxially green; pinnae 4–7 pairs, elliptic, clearly widest at the middle; pinna apices acuminate to long-attenuate, entire .. ........................................................................................................................................................................................................... 4
4 Pinnae 13–20 cm long, 3.5–6 cm wide, elliptic to obovate-oblanceolate … ................................................................ D. arbuscula View in CoL
– Pinnae 9–13 cm long, 1.5–4 cm wide, elliptic … ........................................................................................................ D. geniculata View in CoL
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