Justicia sericea Ruiz & Pav.

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

38. Justicia sericea Ruiz & Pav. , Fl. Peruv. Prodr. 1: 12. 1798 ( Ruiz & Pavón 1798: 12)

Type.

Peru • [Junín], Tarma , Ruiz & Pavon s. n. (lectotype MA-815544 , designated here, possible isolectotypes BC-872769 , BM-000992567 , MA-815543 , MA-817208 , OXF-00194108 , US-02880852 ) .

Description.

Shrub 1–2 m high, stems sericeous, often with dark corky deposits on angles. Leaves subsessile, lamina 3.5–6.5 × 1–1.5 cm, lanceolate to oblong-elliptic, acute, sericeous, coriaceous, yellow-green, lateral veins c. 3 pairs. Inflorescence of few-flowered axillary and terminal spikes, 2.5–3 cm long; bracts oblong-ovate, acuminate, 15 × 4–5 mm; bracteoles linear; calyx deeply 5 - lobed, lobes lanceolate, 10 × 2 mm; corolla c. 4.5 cm long, red, hirsute, upper lip 2 cm long, emarginate, lower lip with lobes ovate, 1.5 cm long; anthers purplish, the thecae 2.5–3 × 0.75 mm, held at same level, slightly unequal, parallel, glabrous, base acute. Capsule 22 × 7 mm, oblong, clavate, glabrous, 4 - seeded; seeds 5 × 4 mm, wrinkled.

Illustration.

Fig. 38 .

Phenology.

Flowering mostly in the dry season from October to May.

Habitat.

Dry Andean Forest on stony ground. Almost restricted to 2400–3400 m, thus growing at higher altitudes than other species except J. alpina .

Distribution.

NW Peru and southern Ecuador, one of the few species of Justicia found on both sides of the Andean cordillera. Fig. 67 .

Material examined.

Peru • sine data: Maclean s. n. ( K) ; “ Huanca ”, Pearce 495 ( K) . • Ancash: Prov. Huaraz, 8000 ft, 6 Oct. 1922, MacBride & Featherstone 2521 ( F, US) ; • ibid., Purchased in Huaraz market , 14 March 1964, P. Hutchinson & J. Wright 4376 ( US, USM) ; • ibid., 15 km S of Huaraz , 09°41'S, 77°29'W, 3450 m, 27 Jan. 1985, D. Smith et al. 9386 ( US, USM) . Prov. Huaylas, debajo de Huaylas , 2500 m, 4 July 1988, E. Cerrate et al. 8984 ( USM) . Prov. Pallasca, Dist. Conchucos, 2900–3150 m, 25 May 2012, A. Cano et al. 21245 ( USM) . Prov. Bolognesi, Entre Chiquian y Aquia , 2900–3000 m, 18 May 1950, R. Ferreyra 7553 ( K, MO, MOL, US, USM) ; • ibid., Entre Chiquian y Tallenga , 3000 m, 14 March 1903, A. Weberbauer 2857 ( MOL, USM) ; • ibid., near Huasta , 10000 ft, 1970, C. Boutin 26975 ( US) ; • ibid., Dist. Pacllón, Llamac , 9000 ft, M. Slesser 6 ( K) ; • ibid., Dist. Chiquian, road from Chiquian to Huallanca , 3220 m, 17 March 2001, M. Weigend 5192 ( HUT) . • Ayacucho: Prov. Huanta, NE of Huanta , 3200 m, 1–10 Feb. 1926, A. Weberbauer 7520 ( F, US) . • Cajamarca: Between Cajamarca and Huánuco , Matthews 796 ( K, OXF) . Prov. Cajamarca, Baños del Inca, El Chicche-Sengal , 2800 m, 10 Feb. 2001, I. Sánchez Vega 10371 ( CPUN, F) . Prov. Contumazá, Dist. Chilete, Bosque de Huertas , L. Dávila 847 (Laboratorio de dendrología, Cajamarca) . • Huancavelica: Prov. Huancavelica, Cañón del Río Mantaro, north of Mejorada , 2940 m, 28 Oct. 1957, P. C. Hutchison 1671 ( F, K, US, USM) ; • ibid., Dist. Izcuhaca , 8600 ft, 16 April 1960, S. C. E. Saunders 479 ( K) . • Huánuco: Quinna , 28 Oct. 1927. M. Sawada P 98 ( F) . • Junín: Prov. Huancayo, Dist. Huancayo, Cerro Corona del Fraile , Jan. 1948. J. Soukup 3581 ( US) ; • ibid., Dist. Colca , 3120 m, 18 Nov. 1989, G. Yarupaitán 49 ( USM) ; • ibid., Dist. El Tambo, Hac. la Mejorada , 2900 m, W. Hoffman 159 ( USM) ; • ibid., Cercanías de Pasco, al paso del ferrocarril a Huancavelica , 3000 m, 20 Jan. 1950, C. Ochoa 762 ( US) . Prov. Jauja, Dist. Acolla, 3600 m, 29 Oct. 1979, C. Hastorf 156 ( USM) . Prov. Tarma, Dist. Acobamba, 3021 m, 8 Dec. 1999, M. Binder & A. Daxberger 417 ( USM) ; • ibid., Santuario de Muruhuay, camino San Ramón – La Merced , 2800 m, Nov. 1948, C. Ochoa 625 ( MOL, US) ; • ibid., Sector 9 de Octubre, alrededores de Muruhuay , 2800 m, 25 Oct. 2007, J. L. Marcelo Peña 2931 ( MOL, USM) ; • ibid., Cerca de Acobamba , 3000 m, 11 Aug. 1961, Pizarro s. n. ( USM) . Prov. Yauli, Dist. Paccha, a 20 km, sur de Huancayo , 25 April 1961, O. Tovar 3284 ( MO, US) ; • ibid., O. Tovar 3315 ( USM) . • La Libertad: Prov. Otuzco, 2615 m, 19 June 1950, O. Velarde 3567 ( US) ; • ibid., Río Pollo , 2625 m, 109 June 1950, N. Angulo 0930 ( US, USM) ; • ibid., Río Huangamarca arriba , 2600 m, 26 Sept. 1997, E. Rodríguez et al. 1872 ( HUT) ; • ibid., Trujillo – Otuzco road, 7 km from Otuzco , 2550 m, 13 Feb. 1983, D. N. Smith & R. Vásquez 3254 ( US) ; • ibid., Dist. Agallpampa, abajo de José Balta , 2600 m, 30 Oct. 1993, S. Leiva 954 ( F, HUT, MO, US) . Prov. Trujillo, 2–3 km, arriba de Otuzco, carretera Trujillo – Otuzco , 2500 m, 15 May 1948, R. Ferreyra 2976 ( MOL, USM) . • Lima: Prov. Cajatambo, Dist. Cajatambo, 16 Oct. 1966, La Rosa 1805 ( USM) . Prov. Oyón, Dist. Oyón, Oyón , 2400 m, March 1987, O. Cuya 209 ( USM) ; • ibid., Viroc , 10°41'50"S, 76°49'29"W, 3040 m, 1 June 2013, C. Aedo & J. Molina 20631 ( USM) . Prov. Canta, Dist. San Buenaventura, San Buenaventura, en el camino del Puente Verde , 2600 m, 10 April 2010, G. Vilcapoma 7934 ( USM) . Prov. Huaral, Dist. San Miguel de Acos, Huascoy , 3300 m, 5 Sept. 1974, P. Waechter s. n. ( USM) . • Pasco: Camino entre la Quinua y Huariaca , 24 Nov. 1927, N. Esposto s. n. ( MOL) ; • ibid., debajo de Chicón , 3120 m, 8 Feb. 1984, S. Rivas et al. s. n. ( USM) ; • ibid., Cerro de Pasco-Huánuco , km 40, 10°28.5'S, 76°10.8'W, 3400 m, 22 Aug. 2002, A. N. Schmidt-Lebuhn 525 ( USM) . Prov. Pasco, Dist. Huariaca, between Cerro de Pasco and Ambo , 3000 m, 24 Nov. 1945, R. J. Seibert 2212, 2213, 2214 ( US) ; • ibid., Dist. Ticlacayan, Piquilhuanca, 3.3 km al sur de Huariaca , 2950 m, 10 Aug. 2001, S. Baldeón et al. 4942 ( USM) .

Lectotypification.

The lectotype has been selected from material at MA. MA 815544 is the most complete material and has the label Tarma as specified in the protologue.

Figures

Figure 38. Photographs of Justicia sericea by Hamilton Beltrán.

Figure 67. Distribution of Justicia sericea in Peru.