Accession Data

Psilotum nudum

Common Name: Whisk Fern, Skeleton Fork Fern

Family: Psilotaceae

Country of Origin: widespread distribution in tropics and subtropics

Description: (syn. P. triquetrum)

Herbaceous perennial devoid of roots, with scale leaves only, and dichotomously branching ribbed stems to 50cm long.

Resembling early vascular plants known from the fossil record, but now considered a fern ally related to the Ophioglossales due to recent genetic evidence suggesting that they have lost many of their original fern-like characters.

Accession Data

USDA Zone: 8a-11

Accession #: 198500935

Accession Date: 1985-12-31 00:00:00

Bloom Status: 🪴 Not Flowering

Location: 3103

Quantity: 2

Source: Unknown

Culture: Tropical or subtropical conditions. May benefit from mycorhizal association at least in the gametophyte stage.

Classification

Division: Ferns

Class: Polypodiopsida

Subclass: Ophioglossidae

Order: Psilotales

Family: Psilotaceae

Flowering Data:

This accession has been observed in bloom on:
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012

References

  1. The Plant List (2013). Version 1.1. Accessed 8 June 2015.
  2. The Wacky World of Whisk Ferns at In Defense of Plants. Last accessed Tuesday, April 30, 2019.

Images

Psilotum nudum