Hypoxis curtissii

Family:HYPOXIDACEAE
Species:Hypoxis curtissii Rose
Common Name:Swamp Stargrass; Curtiss' Star Grass; Swamp Yellow Star Grass
Habitat:**
Associated Ecological Communities:**
Growth Habit:Herb
Duration:Perennial
Category:Vascular
USDA Symbol:HYCU5
Plant Notes:Swamp Yellow Star Grass is a native perennial in the Stargrass family (Hypoxidaceae). It can be found throughout Alabama. Swamp Yellow Star Grass occurs on the floodplains of streams and rivers, in wooded swamps, and around ox-bow lakes. It usually grows in areas subject to frequent flooding, and often grows on the bases of cypress or gum trees, or cypress knees. It is an herbaceous perennial from a corm. The leaves are grass-like, linear, entire, and glabrous. The leaves are 3-12 mm wide and when not in flower the plants resemble a small sedge. Flowers are produced in racemes. Racemes are 1-7 flowered with usually only one flower open at any given time. The racemes are often lax and fall over. The flowers have 6 yellow tepals. The fruit is an elongated capsule with 10-50 lustrous black seed. The seed are muricate (covered with hard, short, points).--A. Diamond
Taxonomic Notes:**
Status:Native, FACW (NWI)
References:**
Specimen: View specimen details in the Alabama Herbarium Consortium Specimen Database

** Not applicable or data not available.

Classification

FamilyHYPOXIDACEAE - Stargrass Family family
Genus Hypoxis
Species Hypoxis curtissii Rose - Swamp Stargrass; Curtiss' Star Grass; Swamp Yellow Star Grass

Citation

Citation HYPOXIS CURTISSII Rose, in Small, Fl. S.E. U.S. 287, 1329. 1903.
Basionym: **
Type: FLORIDA: Duval Co.: Near Jacksonville, 19 May 1894, Curtiss 4727 (holotype: US; isotypes: GH, NY).

** Not applicable or data not available.

Synonyms

SynonymFull CitationBasionymType
Hypoxis erecta var. leptocarpa Hypoxis erecta Linnaeus, var. leptocarpa Engelmann & A. Gray, Boston J. Nat. Hist. 5: 239. 1845. TEXAS: Without locality, 1843, Lindheimer 188 (holotype: MO; isotypes: GH, PH, US).
Hypoxis hirsuta var. leptocarpa Hypoxis hirsuta (Linnaeus) Coville, var. leptocarpa (Engelmann & A. Gray) Brackett, Rhodora 25: 127. 1923.Hypoxis erecta Linnaeus, var. leptocarpa Engelmann & A. Gray 1845. 
Hypoxis leptocarpa Hypoxis leptocarpa (Engelmann & A. Gray) Engelmann & A. Gray ex Small, Man. S.E. Fl. 317. 1933.Hypoxis erecta Linnaeus, var. leptocarpa Engelmann & A. Gray 1845. 

Specimens and Distribution

This species has been reported in the following counties by the herbaria listed. An overview of the individual specimens are provided in the table that follows. Click on the accession number to view details; click on column headers to sort; choose a county or herbaria to filter the specimen data.

Counties included on distribution map: Baldwin, Blount, Bullock, Butler, Clarke, Conecuh, Covington, Crenshaw, Dale, Escambia, Houston, Mobile, Pike

Counties represented by specimen data listed below:

Herbaria represented by specimen data listed below: ALNHS, AMAL, AUA, SAMF, TROY, UNA, USAM, UWAL

Range of years during which specimens were collected: 1972 - 1997

Barcode / Accession No. County Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
Image
TROY000042981 Houston 18 Jun 2015 Diamond, Alvin R.
26492
TROY
Hypoxis curtissii Rose
USAM000008168 Baldwin 22 Jun 1977 LeLong, Michel G.
9865
USAM
Hypoxis hirsuta (Linnaeus) Coville, var. leptocarpa (Engelmann & A. Gray) Brackett
UWAL0019719 Houston 05 May 1987 Kral, Robert
73967
UWAL
Hypoxis curtissii Rose
AMAL00000033 Pike 06 Jun 1972 Kral, Robert
47348
AMAL
Hypoxis curtissii Rose
TROY000016742 Bullock 03 Jul 2008 Diamond, Alvin R.
19522
TROY
Hypoxis curtissii Rose
ALNHS00002677 Clarke 10 Jun 2014 Horne, Howard E.
SWS-288
ALNHS
Hypoxis curtissii Rose
UWAL0019755 Houston 04 May 1987 Kral, Robert
73918
UWAL
Hypoxis curtissii Rose
TROY000035601 Houston 20 May 2006 Kral, Robert
97424
TROY
Hypoxis curtissii Rose
UWAL0012532 Houston 18 Jun 2013 Barger, T. Wayne
1054
UWAL
Hypoxis curtissii Rose
TROY000042167 Butler 05 Jun 2011 Diamond, Alvin R.
22195
TROY
Hypoxis curtissii Rose
USAM000008167 Baldwin 25 May 1974 LeLong, Michel G.
7759
USAM
Hypoxis hirsuta (Linnaeus) Coville, var. leptocarpa (Engelmann & A. Gray) Brackett
AMAL00019574 Houston 20 May 2006 Kral, Robert
97424
AMAL
Hypoxis curtissii Rose
UNA00009235 Pike 06 Jun 1972 Kral, Robert
47346
UNA
Hypoxis leptocarpa (Engelm. & Gray) Small
TROY000026027 Crenshaw 03 Aug 2008 Diamond, Alvin R.
19694
TROY
Hypoxis curtissii Rose
UWAL0004710 Crenshaw 03 Aug 2008 Diamond, Alvin R.
19694
UWAL
Hypoxis curtissii Rose
UWAL0030588 Covington 04 May 1987 Kral, Robert
73931
UWAL
Hypoxis curtissii Rose
TROY000016743 Crenshaw 01 Jul 2008 Diamond, Alvin R.
19519
TROY
Hypoxis curtissii Rose
UNA00050694 Dale 13 Jun 1997 MacDonald, John R.
10660
UNA
Hypoxis leptocarpa (Engelm. & Gray) Small
ALNHS00002156 Houston 18 Jun 2013 Barger, T. Wayne
SP#1054
ALNHS
Hypoxis curtissii Rose
UWAL0005642 Butler 05 Jun 2011 Diamond, Alvin R.
22195
UWAL
Hypoxis curtissii Rose
AMAL00023221 Covington 22 Oct 2009 Hansen, Curtis J.
4550
AMAL
Hypoxis curtissii Rose
TROY000011174 Conecuh 25 Jun 2002 Diamond, Alvin R.
13409
TROY
Hypoxis curtissii Rose
SAMF0000651 Blount 04 Mar 1956 Avery, J.C.
s.n.
SAMF
Hypoxis curtissii Rose
UWAL0043209 Baldwin 21 Apr 2003 Larsen, Harry S.
1154
UWAL
Hypoxis curtissii Rose
TROY000011176 Dale 20 Apr 1998 Rundell, Hannelore
3318
TROY
Hypoxis curtissii Rose
AMAL00014190 Baldwin 03 Jun 2007 Keener, Brian R.
3643
AMAL
Hypoxis curtissii Rose
AMAL00001905 Houston 06 May 2011 Barger, T. Wayne
289
AMAL
Hypoxis curtissii Rose
UWAL0013958 Bullock 10 May 2012 Dykes, Bailee
686
UWAL
Hypoxis curtissii Rose
TROY000026026 Baldwin 03 Jun 2007 Keener, Brian R.
3643
TROY
Hypoxis curtissii Rose
UWAL0004709 Baldwin 03 Jun 2007 Keener, Brian R.
3643
UWAL
Hypoxis curtissii Rose
TROY000011175 Covington 18 Jun 2002 Diamond, Alvin R.
13364
TROY
Hypoxis curtissii Rose
TROY000038068 Bullock 10 May 2012 Dykes, Bailee
686
TROY
Hypoxis curtissii Rose
UWAL0019782 Houston 18 Jun 2015 Diamond, Alvin R.
26492
UWAL
Hypoxis curtissii Rose
TROY000011172 Butler 13 Jul 2007 Diamond, Alvin R.
17783
TROY
Hypoxis curtissii Rose
UWAL0043208 Baldwin 26 Jun 2001 Larsen, Harry S.
839
UWAL
Hypoxis curtissii Rose
AUA_ACC_71709 Houston 18 Jun 2013 Barger, T. Wayne
SP1054
AUA
Hypoxis Curtissii Rose
UWAL0008055 Butler 07 Jul 2011 Webb, Wayne K.
s.n.
UWAL
Hypoxis curtissii Rose
USAM000008169 Mobile 15 May 1976 LeLong, Michel G.
9234
USAM
Hypoxis hirsuta (Linnaeus) Coville, var. leptocarpa (Engelmann & A. Gray) Brackett
AUA000041355 Escambia 18 Oct 2012 Hansen, Curtis J.
5755
AUA
Hypoxis Curtissii Rose
UWAL0038556 Baldwin 03 May 1987 Kral, Robert
73908
UWAL
Hypoxis curtissii Rose
AUA_ACC_73706 Covington 22 Oct 2009 Hansen, Curtis J.
4550
AUA
Hypoxis Curtissii Rose
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