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Mexican yellow star-grass

stiff star-grass

Leaves

(1–)2–4(–9) mm wide, soft, stiff, densely pubescent.

(8–)10–20(–26) mm wide, soft, stiff, sparsely to densely pubescent, old leaf bases persisting as bristles.

Scape

4–12(–16) cm, topped by 2 opposite bracts.

(4–)6–13(–18) cm.

Inflorescences

racemose, 1–3-flowered;

proximal 2 flowers, when present, always paired;

bracts (3–)4–8(–11) mm.

racemose, 1–2(–4)-flowered;

proximal 2 flowers, when present, not paired;

bracts (2–)3–5(–6) mm.

Flowers

tepals (3–)4–7(–8) × 1.3–2.5 mm, shorter to longer than pedicel, ± equaling ovary;

anthers 1–2 mm;

ovary oblanceoloid, 3–6(–9) × 1–2 mm, densely pubescent;

pedicel 1–6 mm, shorter than bracts.

tepals 5–8(–10) × 1.4–2.5 mm, longer than pedicel, longer than ovary;

anthers 1.5–3.5 mm;

ovary oblanceoloid, 3–5(–7) × 2–3 mm, densely pilose;

pedicel (2–)3–8(–15) mm, usually less than 2 times as long as bracts.

Seeds

light brown, dull, 1–1.4(–1.5) mm, muricate.

black, lustrous, 1–1.3 mm, with rounded pebbling.

Hypoxis mexicana

Hypoxis rigida

Phenology Flowering summer. Flowering spring–summer.
Habitat Pine-oak woodlands Seasonally flooded pinelands and bogs
Elevation 2000–2500 m (6600–8200 ft) 0–100 m (0–300 ft)
Distribution
from FNA
AZ; Mexico
[BONAP county map]
from FNA
AL; FL; GA; LA; MS; SC; TX
[BONAP county map]
Discussion

Hypoxis mexicana is common in Mexico; it is rarely collected in Arizona.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 26, p. 203. FNA vol. 26, p. 203.
Parent taxa Liliaceae > Hypoxis Liliaceae > Hypoxis
Sibling taxa
H. curtissii, H. hirsuta, H. juncea, H. rigida, H. sessilis, H. wrightii
H. curtissii, H. hirsuta, H. juncea, H. mexicana, H. sessilis, H. wrightii
Name authority Schultes & Schultes f.: in J. J. Roemer et al., Syst. Veg. 7(2): 761. (1830) Chapman: Fl. South. U.S. ed. 2 repr. 1892, 696. (1892)
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