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Helodeaster helenae

(C.N.Forbes & Lydgate) G.L.Nesom (2020)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Asterids Order: Asterales Family: Asteraceae Genus: Helodeaster

Description

Key Characters:

Growth Form: Rhizomatous perennial herbs, usually branched at base; scapes (5.5-)10-35 cm long.

Stems:

Roots:

Leaves: Leaves in a basal rosette or distributed 3-12 cm along the ascending stem spatulate to oblong, rarely obovate, 1.2-3.5(-5.4) cm long, 0.3-1.3 cm wide sessile and +/- clasping the stem, with 2-9 bracts per scape that become progressively larger and more leaf-like toward base sparsely to moderately hirsute, especially on upper surface, margins, and veins, with few to numerous scattered, subsessile, globose glands, occasionally villous Margins serrate in upper 1/2, hirsute.

Flowers:

Fruit: Fruit a simple; dry; achene (cypsela);

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

Uses and Culture

USES

Natural History

Statewide Status

Endemic

Island Status

Kaua'i Endemic

Dispersal Agents


Pollinators

Bibliography

Name Published In: Phytoneuron 2020-54: 2 (2020)

Other References

Wagner et al. 1990:330 (K [as Lagenifera helenae]); Nicolson 1999:376 (Lagenophora conserved over Lagenifera); Nesom 2000:58/Nesom 2001a:514 (Syn. L. helenae = Keysseria helenae); Nesom 2020:2 (COMBNOV, Syn. K. helenae = H. helenae)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Helodeaster helenae Alakai Swamp In lower parts of the drier hummocks, not found in the wetter parts. Preserved_Specimen van Royen, P. 11703 Kauai BISH 1977-09-01
2 Helodeaster helenae Waialeale summit Preserved_Specimen Cranwell, L.M. 3070 Kauai BISH 1938-08-23
3 Helodeaster helenae Waialeale summit Preserved_Specimen Rock, J.F.C. 4920 Kauai BISH 1909-09-01
4 Helodeaster helenae Kauai Preserved_Specimen Rock, J.F.C. Kauai BISH 1916-10-01
5 Helodeaster helenae Waialeale summit Preserved_Specimen Rock, J.F.C. 4919 Kauai BISH 1909-09-01
6 Helodeaster helenae Waialeale summit Preserved_Specimen Rock, J.F.C. 4919 Kauai BISH 1909-09-01
7 Helodeaster helenae Kaholuamanu Preserved_Specimen Lydgate, J.M. Kauai BISH 1915-01-01
8 Helodeaster helenae Alakai Swamp; Waialeale summit area Scattered in tundra area or in small groups. Preserved_Specimen van Royen, P. 11735 Kauai BISH 1977-09-03
9 Helodeaster helenae Alakai Swamp Open bogs. Preserved_Specimen Gagné, W.C. 687 Kauai BISH 1973-12-30
10 Helodeaster helenae Lihue District. Ridge and slopes running south of Kawaikini Dubautia-Sadleria shrubland-fernland w/Dubautia imbricata subsp. acronaea, D. knudsenii subsp. Filiformis, D. laxa subp. hirsuta, D. paleata, D. raillardioides, D. pauciflorula, Sadleria cyatheoides, S. pallida, S. souleyetiana, S. squ Preserved_Specimen Wood, K.R. 16180 Kauai BISH 2015-01-07
11 Helodeaster helenae Waialeale summit In hard, reddish clay, very wet. Preserved_Specimen Kores, P.J. 117 Kauai BISH 1979-09-02
12 Helodeaster helenae Kauai Lihue District. Ridge and slopes running south of Kawaikini. Dubautia-Sadleria shrubland-fernland with Dubautia imbricata subsp. Acronaea, D. knudsenii subsp. Filiformis, D. laxa subsp. Hirsuta, D. paleata, D. raillardioides, D. pauciflorula, Sadleria cyatheoides, S. pallida, S. souleyetiana, S. squ___ Preserved_Specimen Wood, K.R. 16088 Kauai BISH 2014-09-18
13 Helodeaster helenae Waialeale Summit Bogs Montane bogs w/ mixed sedges and grasses including Rhynchospora chinensis spiciformis, R. rugosa lavarum, Dichanthelium, Deschampsia, Machaerina, herbs of Plantago pachyphylla, Viola, shrubs of Metrosideros, Dubautia waialealae, D. imbricata acronaea, D. laxa hirsuta, Cheirodendron dominii, Leptecophylla tameiameiae, bogs dissected w/ riparian veg of Metrosideros-Cheirodendron forest. Pigs, goats, Juncus planifolius, Axonopus fissifolius, Rubus rosifolius, Andropogon virginicus. Preserved_Specimen Wood, K.R. 11697 Kauai BISH 2006-01-01
14 Helodeaster helenae Waialeale summit In summit turf. Preserved_Specimen Medeiros, A.C. 514 Kauai BISH 1983-09-01
15 Helodeaster helenae Lihue and Waimea District boundary. Kawaikini Summit region. Metrosideros-Cheirodendron short stature wet forest with open bog habitat dissected by headwater drainages with Melicope, Myrsine, Dubautia, Cheirodendron, Metrosideros, Coprosma, Labordia, Psychotria, Vaccinium, and Kadua, fern general include Asplenium, Adenophorus, Dryopteris, Sadleria, Elaphoglossum, Po Preserved_Specimen Wood, K.R. 18542 Kauai BISH 2020-10-02
16 Helodeaster helenae Alakai Swamp, Sincock bog #4, USGS bog, not fenced, near old cabin site. Metrosideros-Oreobolus furcata open bog. With Cheirodendron platyphylla, Leptecophylla tameiameiae, Dicranopteris linearis, Carex montis-eeka, Rhynchospora spicaeformis, Coprosma elliptica Preserved_Specimen Perlman, S. 23685 Kauai BISH 2013-09-03
17 Helodeaster helenae Hanalei District; Alakai, just west of Waialeale Metrosideros-Rhynchospora montane bogs margined by Metrosideros-Cheirodendron mixed wet forest with matting ferns & riparian vegetation Deschampsia nubigena, Vaccinium detatum, V. calycinum, Leptecophylla tameamea, Lycopodium venustulum, Melicope clusiifolia, Broussaisia arguta, Coprosma elliptica, Kadua affinis, Dianella sandwicens Preserved_Specimen Wood, K.R. 14883 Kauai BISH 2012-02-08
18 Helodeaster helenae Hanalei District. Alakai Wilderness Preserve, SE of TNC camp Montane Metrosideros-Oreobolus Bog W/ Metrosideros waialealae, M. polymorpha, Dicranopteris, W/Diplopterygium, Dubautia, Cheirodendron, Astelia, Myrsine, Vaccinium, Broussaisia, Saddleria, Melicpoe clusifolia, Viola kauensis, Carex,J Preserved_Specimen Tangalin, N. 2488 Kauai BISH 2011-02-02
19 Helodeaster helenae Waialeale Summit Bogs. Bogs dissected w/riparian veg of Metrosideros-Cheirodendron forest. W/ mixed sedges and grasses including Rhynchospora chinensis spiciformis, R. rugosa lavarum, Dichanthelium, Deschampsia, Machaerina, herbs of Plantago pachyphylla, Viola, shrubs of Metrodiseros, Dubau Preserved_Specimen Wood, K.R. 12511 Kauai BISH 2007-08-30
20 Helodeaster helenae Kokee Plateau; small bog east of Kauluweli bog In moist, boggy, `ohi`a forest. Preserved_Specimen Medeiros, A.C. 500 Kauai BISH 1983-09-01
21 Helodeaster helenae ridge just S below Kawaikini, Iliilula headwaters terrestrial along wind-swept ridge line Dubautia-Sadleria shrubland/fernland, hgih wind summit slopes w. Psychotria mariniana, kadua affinis, Melicope clusiifolia, M. waitalealae, Vaccinium calycinum, Coprosma kauaense, Dubautia laxa, D. Paleata, D. imbricata acronaea, Machaerina angustifolia, Sadleria Preserved_Specimen Wood, K.R. 14843 Kauai BISH 2012-01-11
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