Rhipsalis agudoensis

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Rhipsalis agudoensis

Rhipsalis agudoensis N.P.Taylor in Cactaceae Syst. Init. 16: 12. 2003 sec. Korotkova & al. 20111
    • Holotype: Brazil, Rio Grande do Sul, Mun. Agudo, before 1989, Horst & Uebelmann 821 (K: K65214.000)
  • 1. Korotkova, N., Borsch, T., Quandt, D., Taylor, N. P., Müller, K. & Barthlott, W. 2011: What does it take to resolve relationships and to identify species with molecular markers? An example from the epiphytic Rhipsalideae (Cactaceae). – American Journal of Botany 98(9): 1549-1572. http://doi.org/10.3732/ajb.1000502

Distribution (General)

Brazil: Rio Grande de Sul, Mun. Agudo

According to Andreas Hofacker (pers. comm. to N.P. Taylor) the plant is known only from a single hill at Agudo and was not seen by Horst & Uebelmann elsewhere.
A

Diagnosis

Rhipsalidi cereoidi primo adspectu habitu similis, sed segmenta caulium alata incisa; R. russellii etiam similis sed flores majors segmentis perianthii multis instructi.A

Description

The plant produces stiffly robust stems of spreading to pendulous habit; stem-segments of determinate growth, to c. 15 x 4 cm, slightly tapered to the base, 3--4(-5)-angled/winged, but notched at the areoles and mostly spineless; flowers are borne 1 to few together, c. 1.5-2.0 cm 0, with c. 11 narrow, white perianth-segments visible from above; and fruit up to 6 x 5 mm, pale to magenta-pink depending on age and exposure to sun.A

Descriptions (aggregated)

Old stem segment duration: deciduous [1]; stem width: 4 cm [1]; stem shape: flattened [1], angle [1] entire plant habitat: lithophytic [1]; entire plant orientation: pendent [1], erect [1]; entire plant branching: acrotonic [1]; entire plant pubescence: sparse pubescent [1] flower quantity per areol contemporaneously: 13; flower coloration: white [1]; flower architecture: actinomorphic [1]; flower position: subapical [1], lateral [1]; flower size qualitativ: small [1]; flower size quantitativ: 1520 mm areole prominence: superficial [1] fruit coloration: pink [1], magenta [1]; fruit shape: subglobose [1] bud orientation: perpendicular [1]
A single or the first number in square brackets denotes sample size

Bibliography

A. Taylor, N. P. 2003: A new Rhipsalis from Rio Grande do Sul, Southern Brazil. – Cactaceae Systematics Initiatives 16: 12