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Plants that were [[Lithophyte|epilithic]] had flattened leaves and spikes against the rock. Short, thick, subcormose stems measuring 0.2–0.8 x 0.15-0.25 centimetres. In the basal rosette, leaves appear to alternate. [[Petiole (botany)|Petioles]] are 0.3-1.9 centimetres long and spreading-[[Glossary of botanical terms|hirsute]], with [[uniseriate]] hairs. The blade of a leaf are 0.5-1.8 x 0.5-1.8 centimetres; broadly [[Ovate (botany)|ovate]] to suborbicular or subreniform; impeltate or hardly rounded to subtruncate; broadly rounded to moderately acute apically; [[Glossary of leaf morphology|palmate]]: 3-5 nerved; appressed-hirsute on both sides (more sparsely so above); [[pellucid]]-gland dotted at least above. single, basal inflorescences. [[Peduncle (botany)|Peduncles]] are purbes as petioles, measuring 1.3–4.1 centimetres. The An unbranched, indeterminate inflorescence: beakless, elliptical to [[wikt:subglobose]], constricted to substipitate base, 2.7–7 centimetres x 0.3–0.4 millimetres; [[Stigma (botany)|stigma]] apical.<ref name="BHL"/> |
Plants that were [[Lithophyte|epilithic]] had flattened leaves and spikes against the rock. Short, thick, subcormose stems measuring 0.2–0.8 x 0.15-0.25 centimetres. In the basal rosette, leaves appear to alternate. [[Petiole (botany)|Petioles]] are 0.3-1.9 centimetres long and spreading-[[Glossary of botanical terms|hirsute]], with [[uniseriate]] hairs. The blade of a leaf are 0.5-1.8 x 0.5-1.8 centimetres; broadly [[Ovate (botany)|ovate]] to suborbicular or subreniform; impeltate or hardly rounded to subtruncate; broadly rounded to moderately acute apically; [[Glossary of leaf morphology|palmate]]: 3-5 nerved; appressed-hirsute on both sides (more sparsely so above); [[pellucid]]-gland dotted at least above. single, basal inflorescences. [[Peduncle (botany)|Peduncles]] are purbes as petioles, measuring 1.3–4.1 centimetres. The An unbranched, indeterminate inflorescence: beakless, elliptical to [[wikt:subglobose]], constricted to substipitate base, 2.7–7 centimetres x 0.3–0.4 millimetres; [[Stigma (botany)|stigma]] apical.<ref name="BHL"/> |
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The plants in this species bear a resemblance to miniature variants of [[Peperomia saintpauliella|P. saintpauliella]], from which they differ in having proportionately longer peduncles and highly pubescent inflorescences [[Rachis|rachises]], in addition to their generally reduced size. This species is similar to some specimens of [[Peperomia tuerckheimii|P. tuerckheimii]] (including [[Peperomia lanceolatopeltata|P. hispidorhachis]]), a small [[Calcicole|calciphile]] that also occurs in the same area. P. tuerckheimii, however, has more elongate, peltate, non-cordate leaf blades with usually seven primary basal veins instead of five.<ref name="BHL"/> |
The plants in this species bear a resemblance to miniature variants of ''[[Peperomia saintpauliella|P. saintpauliella]]'', from which they differ in having proportionately longer peduncles and highly pubescent inflorescences [[Rachis|rachises]], in addition to their generally reduced size. This species is similar to some specimens of ''[[Peperomia tuerckheimii|P. tuerckheimii]]'' (including ''[[Peperomia lanceolatopeltata|P. hispidorhachis]]''), a small [[Calcicole|calciphile]] that also occurs in the same area. ''P. tuerckheimii'', however, has more elongate, peltate, non-cordate leaf blades with usually seven primary basal veins instead of five.<ref name="BHL"/> |
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==Taxonomy and naming== |
==Taxonomy and naming== |
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It was described in 1996 by {{ill|Michael Howard Grayum|es|Michael Howard Grayum}} in "''[[Phytologia]].''", from collected specimens by {{ill|Barry Edward Hammel|es|Barry Edward Hammel}} in |
It was described in 1996 by {{ill|Michael Howard Grayum|es|Michael Howard Grayum}} in "''[[Phytologia]].''", from collected specimens by {{ill|Barry Edward Hammel|es|Barry Edward Hammel}} in 1993.<ref name="kew01"/><ref name="Tropicos"/> It gets its name from its habitat (epilithic and growing among mosses), appressed behaviour, and diminutive size, which are reminiscent of several "[[Trichomanes]]" fern species. <ref name="BHL"/> |
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==Distribution and habitat== |
==Distribution and habitat== |
Latest revision as of 22:45, 3 May 2024
Peperomia trichomanoides | |
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Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Magnoliids |
Order: | Piperales |
Family: | Piperaceae |
Genus: | Peperomia |
Species: | P. trichomanoides
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Binomial name | |
Peperomia trichomanoides |
Peperomia trichomanoides is a species of lithophyte in the genus Peperomia.[1][2] It primarily grows on wet tropical biomes.[1] Its Conservation Status is Threatened. [3][1]
Description
The species is known only from the type locality, at 1,400-1,600 metres elevation on the steep limestone ramparts of Cerro Anguciana.[4][5]
Plants that were epilithic had flattened leaves and spikes against the rock. Short, thick, subcormose stems measuring 0.2–0.8 x 0.15-0.25 centimetres. In the basal rosette, leaves appear to alternate. Petioles are 0.3-1.9 centimetres long and spreading-hirsute, with uniseriate hairs. The blade of a leaf are 0.5-1.8 x 0.5-1.8 centimetres; broadly ovate to suborbicular or subreniform; impeltate or hardly rounded to subtruncate; broadly rounded to moderately acute apically; palmate: 3-5 nerved; appressed-hirsute on both sides (more sparsely so above); pellucid-gland dotted at least above. single, basal inflorescences. Peduncles are purbes as petioles, measuring 1.3–4.1 centimetres. The An unbranched, indeterminate inflorescence: beakless, elliptical to wikt:subglobose, constricted to substipitate base, 2.7–7 centimetres x 0.3–0.4 millimetres; stigma apical.[4]
The plants in this species bear a resemblance to miniature variants of P. saintpauliella, from which they differ in having proportionately longer peduncles and highly pubescent inflorescences rachises, in addition to their generally reduced size. This species is similar to some specimens of P. tuerckheimii (including P. hispidorhachis), a small calciphile that also occurs in the same area. P. tuerckheimii, however, has more elongate, peltate, non-cordate leaf blades with usually seven primary basal veins instead of five.[4]
Taxonomy and naming
It was described in 1996 by Michael Howard Grayum in "Phytologia.", from collected specimens by Barry Edward Hammel in 1993.[1][5] It gets its name from its habitat (epilithic and growing among mosses), appressed behaviour, and diminutive size, which are reminiscent of several "Trichomanes" fern species. [4]
Distribution and habitat
It is endemic to Costa Rica.[1][2] It grows on epilithic environment and grows with mosses.[4]
References
- ^ a b c d e "Peperomia trichomanoides Grayum". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 3 May 2024.
- ^ a b "Peperomia trichomanoides Grayum". Global Biodiversity Information Facility. Retrieved 3 May 2024.
- ^ [1], Angiosperm Extinction Risk Predictions v1
- ^ a b c d e "Phytologia". Retrieved 3 May 2024.
- ^ a b "Peperomia trichomanoides Grayum". Tropicos. Retrieved 3 May 2024.