Key to the Anthurium Cuspidatum Masters Complex


Based on Croat and Ortiz, 2016

Click on 📌 to highlight and compare characteristics.
Click on the line numbers to select characteristics.



1A. Leaf blades more than 2 times longer than wide (sometimes to ca. 1.6 times longer in Anthurium monticola); basalBasal: Forming or belonging to a bottom layer or base. veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins. s absent or up to 5 pairs.
2A. Leaf blades rounded, acute or attenuated at base (sometimes subcordateCordate: ) with 0-2 pairs of basalBasal: Forming or belonging to a bottom layer or base. veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins. s.
3A. Terrestrial plants; leaf blades acute to rounded, prominently attenuated at base; spadixSpadix: A spike of minute flowers closely arranged around a fleshy axis and typically enclosed in a spathe. violet purplish .. 📌Anthurium christeliae
3B. EpiphyticEpiphytic: A plant that grows harmlessly upon another plant and derives its moisture and nutrients from the air, rain, and sometimes from debris accumulating around it. plants; leaf blades rounded to subcordateCordate: at base; spadixSpadix: A spike of minute flowers closely arranged around a fleshy axis and typically enclosed in a spathe. yellowish to red .. 📌Anthurium palosecense
2B. Leaf blades cordateCordate: , subcordateCordate: to sagittateSagittate: at base with 3-5 pairs of basalBasal: Forming or belonging to a bottom layer or base. veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins. s.
4A. Leaf blades drying dark reddish brown; internodes typically more than 2 cm diam.; Costa Rica to Colombia .. 📌Anthurium talamancae
4B. Leaf blades drying grayish green; internodes 1-1.5 cm diam.; Costa Rica to Ecuador .. 📌Anthurium monticola
1B. Leaf blades less than 2 times longer than wide; basalBasal: Forming or belonging to a bottom layer or base. veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins. s 6 or more pairs.
5A. Leaf blades drying greenish or yellowish green; cataphyllCataphyll: A reduced, small leaf. Usually used to describe a modified leaf which lacks a blade and in appearance corresponds to a petiole sheath. s persisting intact or fibrous at upper nodes; lower nodes usually with fibrous remnants of cataphyllCataphyll: A reduced, small leaf. Usually used to describe a modified leaf which lacks a blade and in appearance corresponds to a petiole sheath. s.
6A. CataphyllCataphyll: A reduced, small leaf. Usually used to describe a modified leaf which lacks a blade and in appearance corresponds to a petiole sheath. s persisting as pale fibers, usually persistentPersistent: Remaining attached to the plant beyond the usual time of falling. semi-intact at bases; spadixSpadix: A spike of minute flowers closely arranged around a fleshy axis and typically enclosed in a spathe. dark violet-purple to maroon; Costa Rica to Panama, Colombia and Ecuador, 400-2300 m, Tropical wet forest, Premontane wet forest, Premontane moist forest life zones as well as in the transition zone between Premontane wet forest and Tropical moist forest life zones .. 📌Anthurium cuspidatum
6B. CataphyllCataphyll: A reduced, small leaf. Usually used to describe a modified leaf which lacks a blade and in appearance corresponds to a petiole sheath. s persisting intact, dark red-brown, tinged purple; pale creamy white to yellow-cream, matte; Ecuador, western slopes of Andes, 60-1000 m, Tropical wet forest life zone .. 📌Anthurium albispadix
5B. Leaf blades drying reddish brown; cataphyllCataphyll: A reduced, small leaf. Usually used to describe a modified leaf which lacks a blade and in appearance corresponds to a petiole sheath. s intact and caducousCaducous: Easily detached and shed at an early stage. at upper nodes, not leaving fibrous remnants in the lower nodes; Costa Rica to Panama and Colombia at 600-1520 m in Tropical wet forest and Premontane rain forest life zones .. 📌Anthurium intactum
 


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