Opuntia cubensis

Britton & Rose

Torreya 12: 14. 1912.

Synonyms: Opuntia antillana Britton & Rose Opuntia ochrocentra Small ex Britton & Rose
Treatment appears in FNA Volume 4. Treatment on page 130. Mentioned on page 127.

Shrubs, dense, erect, to 1 m. Stem segments dark green, flattened, elliptic, (4–)10–17.5 × (3–)5–7 cm, moderately tuberculate, making margins appear scalloped, glabrous; areoles 3–5 per diagonal row across midstem segment, elliptic to subcircular, 4–6 × 2.5–3 mm; wool pale tan to white, loose. Spines 2–3(–5) per areole, spreading, yellowish, aging gray-white; major ones straight, stout, slightly flattened, commonly spirally twisted, longest to 25–60 mm. Glochids dense in crescent at adaxial edge of areole, sparser along sides of areole, yellow, turning red to brown, to 5 mm. Flowers: inner tepals yellow throughout, to 30 mm; filaments and anthers pale yellow; style pale greenish yellow; stigma lobes pale cream. Fruits reddish at maturity, obovoid, 40 × 25 mm, fleshy, glabrous; areoles 17–21, bearing few spines to 9 mm. Seeds tan, subcircular, ± 3 mm diam.; girdle to 0.3 mm. 2n = 22 (Puerto Rico).

Phenology: Flowering year-round.
Habitat: Brushlands, coastal sands, ocean bluffs, disturbed areas
Elevation: 0 m


Opuntia cubensis is known in the flora only on Big Pine Key, Florida.

Selected References


Lower Taxa