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Psilotum × intermedium

W.H.Wagner (1993)

This name is accepted

Kingdom: Viridiplantae Phylum: Pteridophyta Class/Clade: Polypodiopsida Order: Psilotales Family: Psilotaceae Genus: Psilotum

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Description

Key Characters:

Growth Form:

Stems:

Roots:

Leaves:

Sori:

Gametophyte:

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

Images

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Uses and Culture

USES

Natural History

Statewide Status

Indigenous

Island Status

Kaua'i Indigenous
O'ahu Indigenous
Lana'i Indigenous
Maui Indigenous

Dispersal Agents


Specimens

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Bibliography

Name Published In: Contr. Univ. Michigan Herb. 19: 79 (1993)

Other References

Palmer 2003:272 (K, O, L, M, parentage: P. complanatum × P. nudum); Tejero-Díez et al. 2024:210 (Syn. P. × intermedium = P. × complanatum, not followed); Note: assumed unstabilized hybrid

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Psilotum × intermedium Palolo. Ahupuaa of Waikiki. Growing on old Metrosideros polymorpha trunk in mesic forest. Growing with Psilotum nudum, Phloebodium aureum, Leucobryum gracile, Pyrrhobryum spiniforme, Odontoschisma denudatum, Psidium cattleianum, Ardisia elliptica, Dicranopteris linearis, and others. Preserved_Specimen Plant branching at base in more than one plane. Planta with erect stem and semi pendulous branches, mostly compressed and flat. Basal part of stem conspicuously angled. Texture of plant firm. Thomas, M.K. 818 Oahu BISH 2024-10-12
2 Psilotum × intermedium NW of Kalaheo, above Alexander Reservoir in Kanaele Swamp Growing on horizontal stump of Metrosideros with mosses and Grammitis tenella. Preserved_Specimen Henrickson, J.S. 4000 Kauai BISH 1969-07-31
3 Psilotum × intermedium Palawai area along the Waianae summit trail. Ahupuaa of Honouliuli. Growing on mossy ground in mesic forest dominated by Metrosideros polymorpha, Dicranopteris linearis, Sadleria pallida, and others. Also growing with Leucobryum gracile, Pyrrhobryum spiniforme, Odontoschisma denudatum, Campylopus spp., and some weedy stuff. Preserved_Specimen Erect plant wtiih arching branches. Stems mostly trigonous in the first order of branching and then mostly flat otherwise. Both parents are also growing nearby. Thomas, M.K. 697 Oahu BISH 2024-07-24
4 Psilotum × intermedium Dry ridgeline near Makua rim Among rocks beneath Styphelia and Metrosideros. Preserved_Specimen Semierect habit. Takeuchi, W.N. 3208 Oahu BISH 1987-01-01
5 Psilotum × intermedium W Maui, Lahaina District, Lihau Ohia Mixed Mesic Forest epiphytic at 3900 ft under a Metrosideros, Cheirodendron canopy Preserved_Specimen Welton, P. 889 Maui BISH 1991-07-09
6 Psilotum × intermedium Waianae Mts., Waianae Kai Forest Reserve, Kaala Trail Agroforest of macadamia and coffee, organic soil among lava boulders, shade. Preserved_Specimen Hernandez, J.P. 11 Oahu BISH 2006-01-07
7 Psilotum × intermedium Waianae Mts., between Mauna Kapu and Palikea Preserved_Specimen Krajina, V.J. 611209027 Oahu BISH 1961-12-09
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