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Symphyotrichum expansum

(Poepp. ex Spreng.) G.L.Nesom (1995)

This name is accepted

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

annual saltmarsh aster

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Description

Key Characters:

Growth Form:

Stems:

Roots:

Leaves:

Flowers:

Fruit:

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

Images

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Uses and Culture

USES

Natural History

Statewide Status

Naturalized

Island Status

Ni'ihau(Incl. Lehua) Potentially naturalizing
Kaua'i Naturalized
O'ahu Unknown
Molokai Naturalized
Maui Naturalized
Hawai'i Naturalized

Dispersal Agents


Pollinators

Specimens

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Bibliography

Name Published In: Phytologia 77(3): 281 (1995)

Other References

Wagner et al. 1990:266 (Ni, K, O, Mo, M, H [as Aster subulatus var. sandwicensis]); Nesom 1994:292 (Syn. A. s. var. sandwicensis = Symphyotrichum squamatum); Sundberg 2004:907 (COMBNOV, S. squamatum misapplied = S. subulatum var. parviflorum); Nesom 2005:2133 (Syn. S. subulatum var. parviflorum = S. expansum); Beechey s.n. BISH 445927 (O†, 1826); Forbes 130.M BISH (M†, 1910)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Symphyotrichum expansum N Maui, Waihu Valley Preserved_Specimen Forbes, C.N. 130 Maui BISH 1910-06-01
2 Symphyotrichum expansum Honopui Valley, Kohala Along ditch trail near Kaulsini cabin On dripping cliffs Preserved_Specimen Degener, O. 21901 Hawaii BISH 1952-02-19
3 Symphyotrichum expansum Waiehu Preserved_Specimen Forbes, C.N. 538 Molokai BISH 1912-09-01
4 Symphyotrichum expansum Halawa Preserved_Specimen Molokai BISH
5 Symphyotrichum expansum N Maui, Waihu Valley Preserved_Specimen Forbes, C.N. 130 Maui BISH 1910-06-01
6 Symphyotrichum expansum [Hawaiian Islands; U.S.A.; O`ahu; Hawai`i; Honolulu] Preserved_Specimen Beechey, Capt. F.W. Oahu BISH
7 Symphyotrichum expansum Kawai'ele Waterbird Sanctuary Sand near brackish water in restored wetland Preserved_Specimen Faccenda, K. 2482 Kauai BISH 2022-06-04
8 Symphyotrichum expansum Puuwai Flats & mounds near mudflats Preserved_Specimen St.John, H. 172 Niihau BISH 1977-03-12
9 Symphyotrichum expansum Pelekunu Valley Some plants seen further W at Kukaiwaa Growing on cliff ledges near the mouth of the river Preserved_Specimen Hobdy, R.W. 3079 Molokai BISH 1989-08-26
10 Symphyotrichum expansum Wailua Golf Course In & around water hazard along fourth hole Preserved_Specimen Flynn, T.W. 1248 Kauai BISH 1985-10-03
11 Symphyotrichum expansum Waikoloa. In lava fields adjacent to Hyatt Waikoloa Golf Course near petroglyph field. Preserved_Specimen Nagata, K.M. 4087 Hawaii BISH 1990-03-27
12 Symphyotrichum expansum Kehena, N Kohala In moist, open pasture Preserved_Specimen Hosaka, E.Y. 1590 Hawaii BISH 1936-09-10
13 Symphyotrichum expansum Mana S of state hwy, 100 yards before rd enters Barking Sands gate Open mud flats Preserved_Specimen Christensen, C. 26 Kauai BISH 1976-05-19
14 Symphyotrichum expansum Boundary of Lihue & Kawaihau Districts; Blue Hole, headwaters of N fork of Wailua River Deep valley surrounded by steep cliffs, with lowland wet shrubland vegetation, understory of ferns, Cyanea & Cyrtandra over rocky, saturated soil. Abundant on wet, mossy boulders & rocks. Preserved_Specimen Lorence, D.H. 7257 Kauai BISH 1992-08-19
15 Symphyotrichum expansum Pelekunu Valley Some plants seen further W at Kukaiwaa Growing on cliff ledges near the mouth of the river Preserved_Specimen Hobdy, R.W. 3078 Molokai BISH 1989-08-26
16 Symphyotrichum expansum Wailua, Blue Hole, N. fork of the Wailua River, back wall shrub covered ridge NE side of main stream. Metrosideros Lowland Wet Forest and Shrubland Antidesma, Broussaisia, Kadua, Macherina, Freycinetia, Coprosma grandensis, Scaevola, Diplazium, Elaphoglossum, Peperomia, Sadleria, Syzygium, Cyanea, Dubautia, Gunnera, Christella, Cyrtandra heinric Preserved_Specimen Tangalin, N. 2986 Kauai BISH 2012-02-15
17 Symphyotrichum expansum Halawa At foot of Moaula Falls Gravelly beach Preserved_Specimen St.John, H. 12734 Molokai BISH 1932-12-27
18 Symphyotrichum expansum Boundary of Lihue & Kawaihau Districts Area called The Blue Hole or The Crater, headwaters of N fork of Wailua River, just N of Mt Kawaikini and SE of Mt Waialeale. Deep, narrow valley surrounded by vertical cliffs 600-700m high laced with waterfalls Low undisturbed wet forest of small, stunted trees & shrubs (Metrosideros, Bobea, Perrottetia, etc.), with ground cover of pteridophytes, Gunnera, Cyrtandra, & Cyanea. Populations on mossy rocks & along streams, exposed sites. Preserved_Specimen Lorence, D.H. 6589 Kauai BISH 1990-08-23
19 Symphyotrichum expansum Headwaters of the N fork of Wailua River Area called The Blue Hole or The Crater, Just E of Mt Waialeale & Kawaikini Growing along edges of stream, deep valley surrounded by steep cliffs ca 1000 m tall laced with waterfalls, low primary vegetation of small stunted trees 1-2 m tall, numerous pteridophytes, and Gunnera oversaturated, rocky ground Preserved_Specimen Lorence, D.H. 5342 Kauai BISH 1987-07-23
20 Symphyotrichum expansum Lihue District, Wailua Golf Course Along Hwy 56 Herb at edge of water hazard along fourth hole with Bacopa monnieri & Bulboschoenus maritimus subsp. paludosa Preserved_Specimen Flynn, T.W. 1912 Kauai BISH 1986-10-06
21 Symphyotrichum expansum Mana, Waimea On open place Preserved_Specimen Hosaka, E.Y. 1663 Kauai BISH 1936-11-05
22 Symphyotrichum expansum Kauai In cultivated field Preserved_Specimen Au, S. Kauai BISH 1945-06-25
23 Symphyotrichum expansum Kauai In cultivated field Preserved_Specimen Au, S. Kauai BISH 1945-06-25
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