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Asplenium × joellaui

N.Snow (2011)

This name is accepted

Kingdom: Viridiplantae Phylum: Pteridophyta Class/Clade: Polypodiopsida Order: Polypodiales Family: Aspleniaceae Genus: Asplenium

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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

Endemic

Island Status

O'ahu Endemic

Dispersal Agents


Specimens

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Bibliography

Name Published In: Harvard Pap. Bot. 16(1): 161 (2011)

Other References

Palmer 2003:122 (O [as Diellia × lauii], parentage: A. dielfalcatum × A. unisorum [as D. falcata × D. unisora]); Snow et al. 2011:12 (COMBNOV, Syn. D. × lauii = Asplenium × laui); Snow 2011:161 (NOMNOV Syn. A. × laui [nom. illeg.] = A. × joellaui); Note: assumed unstabilized hybrid

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Asplenium × joellaui Waianae Mts, Honouliuli Preserve, S Palawai Gulch Mesic native/alien forest on moderate to steep north-facing slope, with Psidium cattleianum, Schinus, Hedyotis terminalis, Metrosideros, Coprosma foliosa, Alyxia, Passiflora suberosa, Bidens, Ageratina adenophora, Asplenium macraei, Carex meyenii, Dryopteris unidentata. Preserved_Specimen Lau, J. 3395 Oahu BISH 1991-06-17
2 Asplenium × joellaui Waianae Mts., Honouliuli Preserve, South Palawai Gulch Mesic native/alien forest on a moderate to steep north-facing slope, with Psidium cattleianum, Schinus, Hedyotis terminalis, Metrosideros, Coprosma foliosa, Alyxia, Passiflora suberosa, Bidens, Ageratina adenophora, Asplenium macraei, Carex meyenii, Dryopteris unidentata.. Preserved_Specimen Fronds taken from different plants in this variable population. Lau, J. 3395 Oahu BISH 1991-06-17
3 Asplenium × joellaui valley S of E ridge, Puu Kalena, Waianaeuka, gulch rock crevices, moist Preserved_Specimen Fosberg, F.R. 12984 Oahu BISH 1936-02-22
4 Asplenium × joellaui Waianae mountains, Honoliuli Preserve, South Palawai Gulch. Mesic native/alien forest on a cattleianum, Schinus, Hedyotis terminalis, Metrosideros, Ageratina adenophora, Asplenium macraei, Carex meyenii, Dryopteris unidentata. Preserved_Specimen Fronds taken from different plants in this variable population. Lau, J. 3395 Oahu BISH 1991-06-17
5 Asplenium × joellaui Pualii. Ahupuaa of Honouliuli. Southern Waianae mountains. Growing at base of boulder in rocky substrate with Ceodes umbellifera, Planchonella sandwicensis, Microlepia setosa, Asplenium musifolium, Asplenium macraei, Blechnum appendiculatum, Claoxylon sandwicensis, Diospyros hillebrandii, and others. Preserved_Specimen Some fronds very narrow with uniformly small pinnae resembling Asplenium unisorum and some with long irregularly falcate pinnae. Growing near Asplenium dielfalcatum. Thomas, M.K. 969 Oahu BISH 2025-01-16
6 Asplenium × joellaui Pualii. Ahupuaa of Honouliuli. Growing in restoration area in remnang mesic forest dominated by Planchonella sandwicensis, Dryopteris sandwicensis, Microlepia setosa, M. Speluncae, Diplazium sandwichianum, Antidesma pulvinatum, Diospyros hillebrandii, Pteris irregularis, Metrosideros polymorpha, Ceodes umbellifera, Rockia sandwicensis, Asplenium musifolium, and others. Also growing with Asplenium dielfalcatum. Preserved_Specimen Stipe shiny and dark. Plants pinnate, uniformly narrow. Intermediate between Asplenium unisorum and Asplenium dielfalcatum. Thomas, M.K. 687 Oahu BISH 2024-06-20
7 Asplenium × joellaui Pualii. Ahupuaa of Honouliuli, Southern Waianae mountains Near Waianae summit ridge along gulch slope under Psidium cattleianum, Psydrax odorata, Diospyros sandwicensis, and others. Growing with Microlepia setosa, Asplenium caudatum, Blechnum appendiculatum, Adiantum hispidulum, and others. Preserved_Specimen Plants approaching Asplenium unisorum but differ in the longer pinnae/wider fronds and multiple irregular sori along pinnae. These plants were shared with Joel Lau and he agrees on the hybrid designation. Thomas, M.K. 1007 Oahu BISH 2025-03-13
8 Asplenium × joellaui Waianae Mts, Honouliuli Preserve, S Palawai Gulch Mesic native/alien forest on moderate to steep north-facing slope, with Psidium cattleianum, Schinus, Hedyotis terminalis, Metrosideros, Coprosma foliosa, Alyxia, Passiflora suberosa, Bidens, Ageratina adenophora, Asplenium macraei, Carex meyenii, Dryopteris unidentata. Preserved_Specimen Lau, J. 3395 Oahu BISH 1991-06-17
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