Justicia riedeliana (Nees) V. A. W. Graham

Villanueva-Espinoza, Rosa, Deng, Yunfei, Scotland, Robert & Wood, John R. I., 2025, Preliminary notes on Justicia (Acanthaceae) in Peru, PhytoKeys 258, pp. 1-123 : 1-123

20. Justicia riedeliana (Nees) V. A. W. Graham , Kew Bull. 43 (4): 605. 1988. ( Graham 1988: 605)

Simonisia riedeliana Nees , Flora Bras. 9: 145. 1847. ( Nees 1847 a: 145) Type. BRAZIL. Río Madeira, Riedel 1332 (lectotype GZU 000250368, designated here, isolectotype LE?, n. v., NY- 00278265, US- 2880507, fragment).

Chaetochlamys macrosiphon Lindau , Bull. Herb. Boissier 3: 490. 1895. ( Lindau 1895: 490) Type. BOLIVIA. Between Cochabamba and Chimore, Kuntze s. n. (presumed holotype B †, photo of holotype FOBN 008899, lectotype US- 00137244 (Cat. No. 701835), designated by Wasshausen and Wood 2004: 74, isolectotypes NY- 00311862, NY- 00311863).

Justicia macrosiphon (Nees) V. A. W. Graham, Kew Bull. 43 (4): 605. 1988. ( Graham 1988: 605)

Beloperone bangii Rusby , Mem. Torrey Bot Club 6: 104. 1896. ( Rusby 1896: 104) Type. BOLIVIA. Cochabamba, M. Bang 1224 (holotype NY- 00278981, isotypes BM- 000617754, BR- 0000008424488, CAS- 0000978, E- 00346889, F- 0077563 F, GH- 00093730, K- 000529352, M- 0186155, MO- 716326, NY- 00431317, PH- 00007733, US- 00478553, WIS-v 0256365 WIS).

Type.

Based on Simonisia riedeliana Nees

Description.

Subshrub 40–60 cm high, stems glabrous. Leaves petiolate, lamina mostly 7–15 × 3–6.5 cm, elliptic, apex shortly acuminate, base, abruptly narrowed then attenuate and decurrent on the petiole, lateral veins c. 7 pairs, glabrous; petioles up to 4 cm. Inflorescence of short dense axillary and terminal spikes, c. 3–5 cm long; bracts and bracteoles linear-setaceous 2.5–4 × 0.1 cm, puberulent; calyx subequally 5 - lobed to base, lobes 14–17 × 1.5–2 mm, lanceolate, finely acuminate, puberulent; corolla pubescent, 2 - lipped, basal cylindrical tube 30–40 × 2 mm, white, widened slightly in upper 5 mm, lips pink, upper lip lanceolate, commonly recurved, 10–15 mm long, lower lip with “ herring bone ” patterning, 3 - lobed, 12–20 mm long, deeply 3 - lobed, lobes obovate, rounded, 13–17 × 7–12 mm; anther thecae strongly superposed, 2 × 0.75 mm, separated by c. 1 mm, parallel, the lower with a short basal appendage. Capsule 20 × 6 mm, woody, puberulent, clavate, 4 - seeded; seeds smooth.

Illustration.

Fig. 20 C, D .

Phenology.

Flowering from April to October.

Habitat.

Lowland rainforest up to c. 600 m.

Distribution.

Southern Amazon basin in Bolivia, Brazil, Bolivia and Peru, where it is restricted to Madre de Dios and Ucayali. Fig. 60 .

Material examined.

Peru • Madre de Dios: Explorer´s Inn, 39 km SW. of Puerto Maldonado, near the confluence of Río Tambopata and Río La Torre , 12°50'S, 69°20'W, 8 July 1987, S. F. Smith et al. 911 ( US, USM) ; • ibid., Laguna Tres Chimbadas 1 km al Río Tambopata, 12°47.24'S, 69°19.95'W, 200 m, 9 July 1998 F. A. Michelangeli 472 ( USM). Prov. Tambopata, road to Tambopata, N. of Puerto Maldonado , 250 m, 21 April 1977, Al. Gentry et al. 19577 (F, US) ; • ibid., small tributary of Río Madre de Dios, 1 hour below Puerto Maldonado , 250 m, 22 April 1977, Al. Gentry et al. 19651 ( US) ; • ibid., Tambopata Nature Reserve , 12°49'S, 69°17'W, 260 m, 7 May 1980, P. J. Barbour 5164 ( US) ; • ibid., along main trail to Lago Cocacocha , 280 m, 6 Oct. 1981, V. A. Funk 3327 ( US) ; • ibid., Ríos Torre y Tambopata , 12°49'S, 69°40'W, 270 m, 21 July 1984, Al. Gentry et al. 51062 ( US, USM) ; • ibid., 30 km by air SSW Puerto Maldonado at effluence of Río La Torre ( Río D’Orbigny ), Río Tambopata , 22 May 1986, V. A. Funk et al. 8102 ( US) ; • ibid., Sonene , 12°33'36.5"S, 68°42'39.0"W, 200 m, 14 May 1999, P. Nuñez et al. 25751 ( CUZ) ; • ibid., Los Amigos Biological Station , Madre de Dios river, 167 m, 20 Sept. 2004, A. Maceda 1576 ( BRIT) ; • ibid., Dist. Tambopata , 39 km, SW of Puerto Maldonado, 12°50'S, 69°20'W, 11 July 1987, S. F. Smith et al. 963 (F, K, U, US, USM) ; • ibid., Tambopata Nature Reserve , 12°15'S, 69°17'W, 260 m, 6 Oct. 1993, F. Cornejo et al. 1231 ( MOL) ; • ibid., El Castañal, 12 ° 38 ' 29.2 ’ ' S, 69°15'34"W, 240 m, 18 Aug. 2002, G. Gonzales 34 ( HAG) ; • ibid., Isuyama , 12°37'S, 69°11'W, 220 m, 20 June 2003, A. Colquesaña 35 ( HAG) ; • ibid., Dist. Las Piedras, Cuzco Amazónico , 12°29'S, 69°03'W, 14 Sept. 1991, M Timaná & A. Rubio 2271 ( CUZ) . • Ucayali: Prov. Coronel Portillo, Iparia, Cuenca del Río Iparia , afluente del Río Ucayali, 9°21'38"S, 74°29'23"W, 240 m, 25 July 2007, J. G. Graham & J. Schunke 4342 ( MOL, US) .

Lectotypifications.

Nees cited two collections as syntypes of Simonisia riedeliana, Riedel s. n from the Río Madeira and Poeppig s. n. from Maynas, both present in Nees’ own herbarium currently at GRAZ. Although the Poeppig specimen from Maynas is much the better of the two, Nees considered it as atypical commenting “ specimen fructiferum bracteis bracteolisque maximis ” contemplating treating it (in sched.) as " var. grandibractea . Consequently, it seems best to exclude this from consideration as lectotype. The cited locality (Maynas) is also odd as this species has not been rediscovered in Loreto or San Martin.

Figures

Figure 20. Photographs of A, B Justicia rusbyi (Villanueva 1062) Note relatively stout, characteristically bent corolla tube C, D Justicia riedeliana Note slender, straight, cylindrical corolla tube. A – B Rosa Villanueva, C – D Modesto Zarate.

Figure 60. Distribution of Justicia riedeliana (blue circles), J. sprucei (yellow square), J. longibracteata (purple polygons) and J. rusbyi (red triangles) in Peru.