Bakerantha hidalguense K. Romero, C.T. Hornung & I. Ramírez  

plant lithophytic, rosettes caespitose, acaulescent, 20–30 cm height, 30–60 cm in diameter, forming colonies of 2–10 or more rosettes. leaves 24–35 per rosette, recurved; sheath ovate to widely oblong, 2–5 × 2–5.5 cm, white to light green, glabrous at the base becoming white lepidote at the margins and the distal end, margin entire, hyaline; blade linear to narrowly triangular, acuminate to long attenuate, becoming coiled at the apex when mature, 15–55 cm long, succulent, pale green, abaxial surface densely white lepidote, adaxial surface sparsely to densely silvery lepidote when exposed, margin finely serrulate. inflorescence central, emerging from the center of a mature rosette (strict sympodial pattern (ssp) sensu ramírez-morillo et al., 2014); staminate inflorescence a 1–2-divided panicle, ellipsoid, erect to arching, 90– 120 cm long; peduncle terete, 17–20 cm long, 0.4–1 cm in diameter at the base, glabrous, green to purplish toward the apex, internodes (1–)3–6.1 cm long; peduncle bracts triangular, long attenuate to acuminate, 3.5–12 × 1–1.6 cm, the basal ones longer than the internodes and reflexed, the apical ones as long or shorter than the internodes and erected, abaxial surface white lepidote to glabrous at the apex, green to brownish, margin entire; axis 60–100 long, 0.2–0.3(–8) cm in diameter at the base, glabrous, green to purplish at the apex, internodes (0.5–)1.5–5 cm long; primary bracts triangular, acuminate, 0.3–2 × 0.3–1.2 cm, glabrous, light brown, margin entiresinuose, multinerved, wrapping the rachis; primary branches (10–)23–36 in number, ascendent, (3–)6–26.5(–30.5) cm long, 1–2(–3) mm in diameter at the base, rachis 0.5– 2 (–4.2) cm long, flattened at the base, light green at the base, purplish toward the apex, each with 14–176 flowers; secondary bracts linear-triangular, 2–2.5 × 1 mm, brownish, margin entire, 1-nerved; secondary branches (1–) 3–8.5 cm long, 1 mm in diameter, purplish; floral bracts linear-triangular, acuminate, 1–2.5 × 0.5–1 mm, purplish to light brown, margin entire, 1-nerved. flowers pedicellate, polystichous, divaricate to diffuse; pedicel filiform, 2.5–4 (–7) mm long, 1 mm in diameter, purplish; sepals free, ovate, acute, 1.5–2.2 × 1.4–1.8 mm, purplish, margin entire, hyaline, coriaceous, 3-nerved; petals free, elliptic, acute, 4.5–6 × (1–) 2–3 mm, lilac to violaceus, margin entire, membranaceous, multinerved. stamens 4–4.5 mm; filament laminar, 2.7–4 × 0.5 mm, white; anther oblong, 1–1.6 × 0.5–0.6 mm, dorsifixed, green, pollen yellow; pistillode conic, 1.4–2 × 1–1.5 mm, lilac, stigmatic lobes 0.4–1 mm; ; pistillate inflorescence a 1-divided panicle, ellipsoid, erect, 55–120 cm long; peduncle terete, 38–77 cm long, 0.4–0.6 cm in diameter at the base, glabrous, green to purplish toward the apex, internodes 2–7.1(–8.5) cm long; peduncle bracts triangular, long attenuate to acuminate, 1–13.1 × 0.5–1 cm, the basal ones longer than the internodes and reflexed, the apical ones as long or shorter than the internodes and erect, abaxial surface white lepidote to glabrous at the apex, green to brownish, light brown when dry, margin entire; axis 33–54 cm long, 0.2–0.4 cm in diameter at the base, glabrous, green to purplish at the apex, internodes 1–4.4(–6) cm long; primary bracts triangular, acuminate, 0.4–1.5 × 0.2–0.4 cm, glabrous, light brown, margin entire-sinuose, multinerved, wrapping the rachis; primary branches 7–24 in number, ascendent, (1.5–) 4.5–17 cm long, 1–2 mm in diameter at the base, rachis 0.3– 1.2 cm long, flattened at the base, light green at the base, purplish toward the apex, each with 5–54 flowers, apices of the branches not fully developing and bearing abortive floral buds; floral bracts linear-triangular, acuminate, 1.2–2 × 0.5–1 mm, purplish to light brown, margin entire, 1-nerved. flowers pedicellate, polystichous, diffuse to ascending; pedicel filiform, 2–4 mm long, 1 mm in diameter, purplish; sepals free, ovate, acute, 1.6–2.4 × 1.1–2 mm, purplish, margin entire, hyaline, coriaceous, 3-nerved; petals free, elliptic, acute, 4–5.5 × 2–3 mm, reflexed at anthesis, lilac to violaceus, margin entire, membranaceous, multinerved; staminodes laminar, 1.6 × 0.5 mm, white. pistil: ovary superior, ovoid, 2.6–3 mm long, 2–2.2 mm in diameter, light green at the base to purplish at the apex or completely purplish; stigmatic lobes 0.8–1.5 mm long, white. fruits an ovoid capsule, 8–11 mm long, 4–5 mm in diameter, green to brown, becoming pendulous, petals, sepals, and staminodes persistent; seeds fusiform, immature 2.5 mm long, body brown, bicaudate.

Edited from : Romero et al. 2020. (protologue) Phylogenetic relationships within the Mexican genus Bakerantha (Hechtioideae, Bromeliaceae) based on plastid and nuclear DNA: Implications for taxonomy .