MainDescriptionReferencesPlate

Araeococcus sessiliflorus Leme & J A Siqueira  diagnose
plant epiphytic, 25–40 cm tall, propagating by stolons 8–20 cm long, 0.4–0.5 cm in diameter. leaves 8 to 10, subchartaceous, forming at base a narrow ellipsoid to funnelform rosette, suberect above; sheath elliptic, 8–9 x 5.5 cm, subdensely and inconspicuously pale brown-lepidote, greenish on both sides or slightly reddish-purple adaxially and toward the apex; blade narrowly lanceolate, slightly to distinctly narrowed toward the base, 14–25 x 2–3 cm, entire, glabrescent, finely nerved, lustrous, green or reddish abaxially, apex narrowly acute and apiculate. inflorescence: peduncle erect, 10–20 cm long, ca 0.3 cm in diameter, sparsely and inconspicuously white-sublanate to glabrescent, reddishgreen to red; peduncle bracts linear-lanceolate, 4–4.5 x 0.8 cm, apex acuminate, membranaceous, pale stramineous, nerved, glabrous, entire, erect, distinctly exceeding the internodes and strongly imbricate; fertile part laxly paniculate, twice-branched to 4-pinnate at basal 1/3 to 2/3 and once-branched at apical 1/3, erect, longer to slightly shorter than the leaves, 8–15 cm long, 6–15 cm in diameter, inconspicuously and sparsely white-sublanate (except for the flowers) to glabrous; primary bracts the basal one resembling the upper peduncle bracts but distinctly smaller, exceeding the stipes, the upper ones narrowly triangular, acuminate, 4–15 x 2–3 mm, exceeding to distinctly shorter than the stipes; primary branches 6 to 13, laxly to subdensely arranged, 3–10 cm long, suberect-arcuate and recurved, 6- to 19-flowered and bearing 1 to 4 secondary branches, bearing at apex an inconspicuous coma of sterile bracts, rachis straight, terete, 1–1.5 mm in diameter, greenish to brownish-red, stipes 5–10 mm long, 1.5–2 mm in diameter, terete, brownish-red; secondary bracts resembling the floral bracts; secondary branches 1.7–3 cm long, laxly arranged, 5- to 12 flowered, stipes 5–6 mm long; floral bracts broadly ovate to suborbicular, apex acute and distinctly apiculate, inconspicuous, 1–2 x 1 mm, slightly shorter than the ovary. flowers 6–7 mm long when petals extended, laxly and polystichously arranged, spreading to slightly reflexed, glabrous, strongly fragrant, sessile to inconspicuously pedicellate, pedicels not contrasting with the ovary, bearing adaxially an inconspicuous, obtuse callosity at junction with the rachis; sepals subsymmetrical, subreniform, membranaceous, obtuse to slightly emarginate and minutely apiculate, ca 1.2 x 1.2 mm, including the ca 0.2 mm long apiculus, shortly connate, light green; petals obovate, apex rounded to slightly emarginate, ca 4 x 2 mm, suberect to nearly spreading at anthesis, free, whitish, naked. stamens included; filament free, terete; anther 1.7–1.8 mm long, base distinctly sagittate, apex bifid-apiculate, dorsifixed near the base; pollen narrowly ellipsoid, sulcate, yellow, exine appearing psilate. pistil: style equaling the petals but distinctly exposed at anthesis; stigma conduplicate -spiral, capitate, white, margins entire or nearly so; ovary subglobose, pale green, smooth, ca 2 mm long, ca 1.7 mm in diameter; epigynous tube inconspicuous; placentation apical; ovules few, obtuse. fruits unknown.

Edited from : Siqueira & Leme 2007. (protologue) Fragments of the Atlantic Forest of Northeast Brazil - Biodiversity, Conservation and the Bromeliads .