genus Ronnbergia E.Morren & André
Literature references:
*move your mouse pointer over the page numbers to see comment
Comments:
- Key to the Species of Ronnbergia at 3/2007 by Butcher
1. Inflorescence subcapitate, 2
1. Inflorescence elongate, lax or sublax, 6
2. Sepals apex attenuate, 15mm long, 1/3rd connate, calyx campanulate, Ecuador
campanulata
2. Sepals with mucron 3
3. Sepals 34mm long, partly connate, with large mucro, brown, Ecuador nidularioides
3. Sepals 23-30mm long, not brown 4
3. Sepals 9-12mm long, not brown. 5
4. Leaf-blades narrowed at base, with whitish median channel.sepals 30mm long, connate
8mm, with mucron, Colombia. deleonii.
4. Leaf-blades ligulate, not narrowed at base nor channeled. sepals 23mm long, long mucron,
petals lavender, Panama. petersii
5. Leaf-blades ligulate, not narrowed at base nor channeled, sepals 10mm long,mucronate,
white, petals white, almost free, leaf-blades to 40cm long, Brazil. carvalhoi
5. Leaf-blades ligulate, not narrowed at base nor channeled, sepals 9mm long, mucronulate
caudate, pale green, petals white with lilac tips, connate for 4mm, Brazil neoregelioides
5. Leaf-blades sublinear-lanceolate, not narrowed at base, sepals 12mm long, mucronulate,
dark green, petals top half lilac rose, free , Brazil silvana
6. Leaf-blades ligulate, not petiolate; sepals 7-9mm, 2mm connate, Brazil brasiliensis
6. Leaf-blades ligulate, not petiolate; sepals 18 mm long, short-connate. Colombia/Peru.
columbiana
6. Leaf-blades more or less narrowed at base, petiolate or subpetiolate; sepals 4-10 mm long,
about half-connate or more. 7
7. Blades not over 35 mm wide, 35 cm long, attenuate, slenderly petiolate. 8
7. Blades 50-90 mm wide, 25-90 cm long. 9
8. Leaves entire. Costa Rica. hathewayi.
8. Leaves serrulate. Colombia. killipiana
9. Leaf-blades slenderly petiolate. 10
9. Leaf-blades broadly subpetiolate, wholly serrulate to subentire. Panama, Peru. explodens.
10. Leaves spotted; blades broad-based. Colombia. morreniana.
10. Leaves concolorous; blades narrowly cuneate at base. Panama, Colombia. maidifolia. —See Smith & Downs 1979