Contains 5 accepted taxa overall.

Characteristics
Hypoxis L.
YELLOW STARGRASS
Classification
ASPARAGALES
Hypoxis
Citation
HYPOXIS Linnaeus, Syst. Nat., ed. 10. 972, 986, 1366. 1759.
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TYPE: Hypoxis erecta Linnaeus, nom. illegit. (Ornighogalum hirsutum Linnaeus; Hypoxis hirsuta (Linnaeus) Coville) Lectotypified by Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 1: 534. 1913.
Distribution Map Present

This species have been reported in the counties highlighted.

Species
Scientific Name Common Name Herbarium Specimens Status Photos
Hypoxis curtissii COMMON YELLOW STARGRASS Native FACW (NWPL) FACW (DEP)
Hypoxis juncea FRINGED YELLOW STARGRASS Native FACW (NWPL) FACW (DEP)
Hypoxis rigida STIFF YELLOW STARGRASS Native FACW (NWPL) FACW (DEP)
Hypoxis sessilis GLOSSYSEED YELLOW STARGRASS Native FAC (NWPL) FACW (DEP)
Hypoxis wrightii BRISTLESEED YELLOW STARGRASS Native FACW (NWPL) FACW (DEP)
Identification Key
1.  Leaves glabrous or nearly so, or with scattered trichomes near base
2
1.  Leaves sparsely to densely pubescent, at least near base
3
2.  Leaves 1–15 mm wide, soft, flexible; floral bracts 1–20(–80) mm; ovary glabrate or sparsely to densely pubescent; seeds muricate
2.  Leaves 0.3–1 mm wide, hard, stiff; floral bracts 1–7(–12) mm; ovary densely pubescent; seeds with low, rounded sculpturing
3.  Leaves 0.3-1 mm wide; pedicel usually 2+ times longer than bracts
3.  Leaves usually 0.7-26 mm wide; pedicel usually less than 2 times as long as bracts
4
4.  Pedicel usually longer than bracts; tepals longer than pedicel; anthers 1.5–3.5 mm; seeds with low, rounded sculpturing, lacking an evident cuticle
4.  Pedicel shorter to longer than bracts; tepals shorter to longer than pedicel; anthers 0.6–2.2 mm; seeds with an evident wrinkled, membranous cuticle
5
5.  Tepals 1.5–2 times as long as ovary; seeds with low, rounded sculpturing, with an iridescent cuticle
5.  Tepals1-1.5(2) times as long as ovary; seeds muricate, the cuticle not iridescent
Genus Synonyms
Synonym Full Citation Basionym Type
Franquevillea Franquevillea Zollinger, Syst. Verz. 70. 1854; Natuurw. Tijdschr. Ned.- Indie 14: 156. 1857, non Franquevillia Salisbury ex Gray 1821. TYPE: Non designatus.
Ianthe Ianthe Salisbury, Gen. Pl. 44. 1866, non Iantha Hooker 1824, nec Janthe Grisebach 1844. TYPE: Non designatus.
Spiloxene Spiloxene Salisbury, Gen. Pl. 44. 1866. TYPE: Spiloxene stellata (Linnaeus f.) Fourcade (Hypoxis stellata Linnaeus f.) Lectotypified by Fourcade, Trans. Roy. Soc. South Africa 21: 76. 1932.
Upoda Upoda Adanson, Fam. Pl. 2: (20), 57, 616. 1763. TYPE: = Hypoxis Linnaeus 1759.