Aspidistra cryptantha

{{Short description|Species of flowering plant}}

{{Speciesbox

| genus = Aspidistra

| species = cryptantha

| authority = Tillich, Averyanov & Dzu, 2007

}}

Aspidistra cryptantha is a species of flowering plant. A. cryptantha grows in evergreen on slopes of limestone mountains in Vietnam between heights of {{convert|600|and|800|m|ft}}.{{cite journal|last1=Tillich|first1=H.-J.|last2=Averyanov|first2=L.V.|last3=Dzu|first3=N.V.|title=Six new species of Aspidistra (Ruscaceae) from northern Vietnam|journal=Blumea - Biodiversity, Evolution and Biogeography of Plants|volume=52|issue=2|year=2007|pages=335–344|issn=0006-5196|doi=10.3767/000651907X609070|url=http://www.repository.naturalis.nl/record/526075}}

Description

This species is a perennial herb. Its rhizome is creeping, with a diameter of {{convert|5|mm|in}}. Its cataphylls are short-lived, leaving remnants at the base of young leaves. Its leaves are delicate, {{convert|1|to|1.5|mm|in}} apart, the petiole measuring about {{convert|18|to|25|cm|in}}; the lamina is ovate-lanceolate and acuminate, measuring {{convert|17|to|20|cm|in}} by {{convert|5|to|6|cm|in}}, and being rounded and cuneate, with several white spots and yellowish nerves in its lower surface. It also counts with 4 to 6 veins at each side.

Its ascending peduncle measures {{convert|1|to|2|cm|in}}; its perigone tube is subgloboid, its greatest diameter measuring up to {{convert|7|mm|in}}, counting with 6 lobes with 2 keels. Its anthers amount to 6 and are subsessile, each up to {{convert|1|mm|in}} long; the pistil is flat and rectangular, the ovar is indistinct. The style is cylindrical, {{convert|2|to|3|mm|in}} long, while the stigma is flat and measures {{convert|2|to|3|mm|in}} in diameter and is 3-lobed, each lobe with a distal lobulum inflexum.

Distribution

Aspidistra cryptantha is known only from its type locality, in Trà Lĩnh District, Cao Bằng Province, Vietnam.

References

{{Reflist}}

Further reading

  • Tillich, H-J. "An updated and improved determination key for Aspidistra Ker-Gawl.(Ruscaceae, Monocotyledons)." Feddes Repertorium 119.5-6 (2008): 449–462.
  • Tillich, Hans-Juergen. "The genus Aspidistra Ker-Gawl.(Asparagaceae) in Vietnam." Taiwania 59.1 (2014): 1–8.

{{Taxonbar|from=Q15523668}}

cryptantha

Category:Flora of Vietnam

Category:Plants described in 2007

{{Asparagaceae-stub}}