Mesoamerantha malvernii (Gilmartin) I. Ramírez & K. Romero  

; 0 rosettes 20–27(–80) cm diam., 10.6–14(–20) cm. leaves 20 to 42; sheath 1.5–2.5 × 2.5–5 cm; blade acuminate at apex, 19–49 cm, 3–5 cm wide at the base, pale green, occasionally with apex and margins reddish, the marginal spines 2–5 mm, 2–9(–12) mm apart, green to brown when dry; staminate inflorescence a 1- or 2-divided panicle, ca 1.5 m. inflorescence: peduncle 18–29 cm, 0.5 cm diam; at the base, green to reddish, the internodes 2–3 cm; peduncle bracts with sheath 0.5–0.9 × 0.5–1.1 cm; blade green to reddish; axis 1.2 m, 0.3 cm diam; at the base, green to reddish, the internodes 2–6(–7.5) cm; primary bracts 1–3.5 × 0.8–1.2 cm, green, entire at the base and finely spiny to the apex, the basal ones white-lepidote abaxially and rarely lepidote adaxially, the apical ones glabrous; branches ascending (forming a 45° angle with the main axis), (4–)14–33 cm, pale green to reddish at the apex, with flowers at the base of the branches, stipe 1–4 cm, 4 mm wide, dorsiventrally flattened, the rachis coarsely ribbed; secondary bracts triangular, acuminate at apex, 3–8 × 2 mm, green, entire, 3-nerved; secondary branches (2–)5–13 cm (when present), emerging from the base of the terminal branch; floral bracts lanceolate, acuminate at apex, 3–8(–12) × 1.5–2.5 mm, reddish, rarely green, entire, 3-nerved. flowers divaricate to ascending, campanulate, laxly arranged along the inflorescence branches (ca; 12 to 14 flowers per 3 cm); sepals ovate to elliptic, acute at apex, 3.5–5 × 1.5–3 mm, entire, green to reddish; petals elliptic, acute at apex, 4.5–6 × 1.5–3 mm, white with a reddish apex to completely white. stamens 3.5–5.5 mm; filament 3–5 mm; anther 1.5–2 mm, yellow; pistillode 1–2 × 1.5–2 mm, pale green to reddish, with stigmatic lobes 0.5 mm; ; pistillate inflorescence a spike to 1- or 2-divided panicle (when paniculate the branches pendulous), 88–133 cm; peduncle 31–94 cm, 0.5–0.9 cm diam; at the base, green to reddish, the internodes (1.5–)2.5–8 cm; peduncle bracts with sheath 0.5–1.2 × 0.8–1.2 cm; blade 4.4–20 × 0.2–0.7 cm, green to reddish; axis (11.5–)23–48 cm, 0.3–0.7 cm diam; at the base, green to reddish, the internodes 2–5(–7) cm; primary bracts 1–1.9 × 0.3–0.9 cm, green to reddish, entire to entire at the base and finely spiny toward the apex; branches 5 to 12, with 20 to 50 laxly arranged flowers (ca; 7 to 9 per 3 cm), ascending to completely reflexed or pendulous, 2–55 cm, 2 mm diam; at the base, the stipe 0.5–4 cm, pale green to reddish, dorsiventrally flattened; secondary branches 2–14 cm, 1–2 mm diam. flowers produced almost from the base of the branch, laxly distributed, the rachis costate; floral bracts lanceolate, acuminate at apex, 4–8(–10) × 2–3.5 mm, green to reddish, entire, 3-nerved or the apical ones 1-nerved; flowers* divaricate; sepals ovate to lanceolate, acute at apex, 3–5 × 2–3.5 mm, green to reddish; petals ovate to elliptic, acute at apex, 4.5–7 × 1.5–3 mm, white with a reddish apex adaxially to completely white; staminodes 1.5–3 × 0.5 mm. pistil: ovary 5 mm, 2–3 mm diam., rarely with a style 1–2 mm; lobes 2–3 mm. fruits broadly ellipsoid, (7–)9–14 mm, 5–7(–8) mm diam., green to reddish when immature, becoming brown when dry, divaricate; seeds 4 mm, brownish, with 2 yellow-reddish wings, one wing 0.3–0.5 mm, the other one 0.8–1.5 mm.

Edited from : Romero et al. 2022. A Taxonomic Revision of the Central American Genus Mesoamerantha (Bromeliaceae: Hechtioideae) .