Relictithismia
| Relictithismia | |
|---|---|
| |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Dioscoreales |
| Family: | Burmanniaceae |
| Genus: | Relictithismia Suetsugu & Tagane[1][2][3] |
| Species: | R. kimotsukiensis
|
| Binomial name | |
| Relictithismia kimotsukiensis | |
Relictithismia kimotsukiensis is a species of fairy lanterns, in the family Thismiaceae.[1][2][3] It is the only species in the genus Relictithismia.[1][2][3] This mycoheterotrophic plant is known only from the Kimotsuki Mountains, in the Ōsumi Peninsula, Kagoshima Prefecture, Kyushu Island, in the southern Japan.[1][2][3] The species is assessed as Critically Endangered based on IUCN Guidelines.[1] The genus is characterized from the closely related Haplothismia by its solitary flowers, having an annulus, and anther thecae largely separated, whereas in Haplothismia the 2-6 flowers are borne on pseudoracemes, without annulus, and the anther thecae are connate.[1][2][3]
Etymology[edit]
The genus name is derived from the combination of Latin words "relictus", meaning "left behind", and the generic name "Thismia", whereas the species name "kimotsukiensis" refers to the type locality of the species, Mt. Kimotsuki.[1][2]
Distribution[edit]
This species is known only form the type locality in the Kimotsuki Mountains, in the Kagoshima Prefecture, Kyushu Island, in southern Japan.[1][2][3]
Phenology[edit]
Flowering individuals, as well as individuals with immature fruits were observed and collected in the month of June.[1]
References[edit]
- ^ a b c d e f g h i j k Suetsugu, Kenji; Nakamura, Yasunori; Nakano, Takafumi; Tagane, Shuichiro (2024-02-29). "Relictithismia kimotsukiensis, a new genus and species of Thismiaceae from southern Japan with discussions on its phylogenetic relationship". Journal of Plant Research. doi:10.1007/s10265-024-01532-5. hdl:20.500.14094/0100486392. ISSN 1618-0860.
- ^ a b c d e f g h Pskhun (2024-03-01). "Species New to Science: [Botany • 2024] Relictithismia kimotsukiensis (Thismiaceae) • A New Genus and Species from southern Japan with discussions on its phylogenetic relationship". Species New to Science. Retrieved 2024-03-02.
- ^ a b c d e f g Suetsugu, Kenji; Nakamura, Yasunori; Nakano, Takafumi; Tagane, Shuichiro (2024-02-29). "Relictithismia kimotsukiensis, a new genus and species of Thismiaceae from southern Japan with discussions on its phylogenetic relationship". Journal of Plant Research. doi:10.1007/s10265-024-01532-5. hdl:20.500.14094/0100486392. ISSN 1618-0860. PMID 38421521.
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