Orthophytum Beer 1854
- Dataset
- Revision of Orthophytum (Bromeliaceae): the species with sessile inflorescences
- Rank
- GENUS
Classification
- kingdom
- Plantae
- phylum
- Tracheophyta
- class
- Liliopsida
- order
- Poales
- family
- Bromeliaceae
- genus
- Orthophytum
Orthophytum Beer 1854
Key to the species of Orthophytum with sessile inflorescence
1 Plants with short stem, inconspicuous, 1–4.2 cm long; petals white, obtuse to subacute not cucullate...................... 2
- Plants with long stem, ca 10 cm long; petals green with white margins, obtuse-cucullate........................................ 11
2 Compound inflorescences (rarely simple in O. ulei).................................................................................................... 3
- Simple inflorescences................................................................................................................................................... 4
3 Floral bracts and sepals pink to red............................................................................................................................. 7
- Floral bracts and sepals green..................................................................................................................................... 10
4 Sepals without glandular trichomes; prickles of leaf blade (1.7–) 2–3.5 mm long................................ O. hatschbachii
- Sepals with glandular trichomes; prickles of leaf blade 0.3–1.5 mm long................................................................... 5
5 Leaf blades densely lepidote; sepals narrowly triangular............................................................................... O. humile
- Leaf blades sparsely lepidote; sepals triangular-lanceolate.......................................................................................... 6
6 Leaf blades 8–23 × 0.4–0.7 cm; petals c. 2.5 cm long............................................................................... O. navioides
- Leaf blades 2.5–6.7 × 0.3–0.4 cm; petals c. 1.9 cm long........................................................................ O. mucugense
7 Leaf blades adaxially lepidote, not lucid......................................................................................................................8
- Leaf blades adaxially sparsely lepidote, lucid.............................................................................................................. 9
8 Leaf blades adaxially glabrous at base; petals 1.8–2.5 cm long, apices subacute................................. O. burle-marxii
- Leaf blades adaxially densely lepidote at base; petals 1.3–1.7 cm long, apices obtuse...................................... O. ulei
9 Leaf blades coriaceous, 0.5-1 cm wide; prickles 1.5–3 mm long; floral bracts c. 1.8 × 1 cm; anthers 3.2–3.5 mm long.................................................................................................................................................................... O. amoenum
- Leaf blades subcoriaceous, 0.2–0.4 cm wide; prickles 0.3-0.4 mm long; floral bracts 0.9–1.2 × 0.6–0.7 cm; anthers 2.3–2.5 mm long..................................................................................................................................... O. ophiuroides
10 Leaf blades margins serrate, adaxial surfaces with white-lanate ring at base; prickles 0.5–3.5 cm long; sepals and petals without glandular trichomes.......................................................................................................... O. albopictum
- Leaf blades margins serrulate, adaxial surfaces without white-lanate ring at base; prickles 0.3–0.5 mm long; sepals and petals with glandular trichomes......................................................................................................... O. heleniceae
11 Simple inflorescences..................................................................................................................................... O. vagans
- Compound inflorescences........................................................................................................................................... 12
12 Leaf blades densely lepidote on both surfaces; prickles 0.6-1 mm long....................................................... O. zanonii
- Leaf blades adaxially glabrous toward the; prickles 2-3.5 mm long.................................................. O. pseudovagans