Brit. Fl. Gard., ser. 2, 1: plate 14. 1831.
Leaf-blade dull green, to 18 mm wide. Inflorescence 1-flowered; spathe 3.8–4.1 cm. Flower: perianth 6.8–8 cm, tube light green, ca. 0.3 cm, distinct portions of tepals somewhat spreading, reflexed, pink; filaments 1.3–3.7 cm; anthers 6–13 mm; style 4.5–5.5 cm; stigma exserted ca. 1 cm beyond anthers; pedicel 4–6.5 cm, usually exceeding spathe. 2n = 12.
Phenology: Flowering summer–fall (Jun–Nov).
Habitat: Sandy loam, lawns
Elevation: 0–100 m
Introduced; Fla., South America
Habranthus robustus persists and is locally adventive in Florida.
"thicker" is not a number.