Cytisus dieckii (Lange) Fern.Prieto, Nava, Fern.Casado, M.Herrera, Bueno Sánchez, Sanna & Cires

Prieto, José Antonio Fernández, Nava Fernández, Herminio S., Casado, María De Los Ángeles Fernández, Gallastegui, Mercedes Herrera, Sánchez, Álvaro Bueno, Sanna, Mauro & Cires, Eduardo, 2017, What is (and what is not) Cytisus cantabricus?, Phytotaxa 308 (2), pp. 219-231 : 228-229

Cytisus dieckii (Lange) Fern.Prieto, Nava, Fern.Casado, M.Herrera, Bueno Sánchez, Sanna & Cires comb. nova

Basionym: Sarothamnus dieckii Lange (1893: 202) .

Lectotype: Spain. Cantabria, Reinosa (“ Pico de Reinosa i de kantabrisque Bjerge , Juni 1892 med Blomst (Dieck) ”, G. Dieck. C10021787. The branch of the indicated herbarium sheet is designated here as lectotype ( Figure 5 ).

= Sarothamnus burgalensis Sennen & Elias in Sennen (1927: 85); = Cytisus ×burgalensis (Sennen & Elias) Mateo & M.B.Crespo (2015: 91) ( Figure 6 ).

= Cytisus cantabricus sensu Talavera (1999: 165) p.p., non (Willk.) Rchb.f. & Beck in Reichenbach (1867: 15).

= Cytisus cantabricus sensu Auvray & Malecot (2013: 83) p.p., non (Willk.) Rchb.f. & Beck in Reichenbach (1867: 15).

Diagnosis: Erect shrub, 100–200 cm. Branches and twigs with 8 ribs T-shaped in transverse section, ribs larger than striae, pubescent when young, glabrous when older. Leaves 1-foliate, and sessile on young twigs; 3-foliate and petiolate on older twigs. Leaflets lanceolate to obovate, sparsely sericeous-villous or glabrous above, densely so beneath. Flowers solitary with pedicel twice as long as calyx glabrous. Corolla yellow. Legume plane, covered with long hairs.

Distribution: western Guipúzcoa and Álava, Vizcaya, Burgos, Cantabria, Palencia, east-centre of Asturias and León ( Spain) ( Figure 7B ).

Materials collected for this study: Slope of mount Gorbea (Álava, Spain), 1000 m, 43° 0’7.75’’N / 2°46’18.20”O. M. Herrera, A. Bueno & J.A. Fernández Prieto, FCO 36593 / 36594. Sobrón (Álava, Spain), 530 m, 42°45’53.91”N / 3° 6’33.40”O. E. Cires & J.A. Fernández Prieto, FCO 36537 / 36538. Slope to El Gamoniteiro, Sierra del Aramo (Asturias, Spain), 1250 m, 43° 9’38.87”N / 5°54’24.77”O. A. Bueno & J.A. Fernández Prieto, FCO 36595 / 36595. Between El Puerto de San Isidro and Cuevas (Asturias, Spain), 1200 m, 43° 4’34.93”N / 5°25’45.88”O. M. Ceballos & J.A. Fernández Prieto, FCO 36576 / 36577 / 36578 / 36579. Playa de Pendueles (Asturias, Spain), 30 m, 43°23’54.78”N / 4°37’50.68”O. M. Ceballos & J.A. Fernández Prieto, FCO 36526 / 36527. Between Mieres and Santullano (Asturias, Spain), 250 m, 43°13’52.97”N / 5°46’42.03”O. M. Ceballos & J.A. Fernández Prieto, FCO 36545. Pajares (Asturias, Spain), 1030 m, 43° 0’45.34”N / 5°46’27.89”O. M. Ceballos & J.A. Fernández Prieto, FCO 36569 / 36570. Between Barcenillas de Cerezos and Quintanilla del Rebollar (Burgos, Spain), 700 m, 43° 3’20.23”N / 3°36’48.76”. M. Ceballos, M. Fernández Ceballos & J.A. Fernández Prieto, FCO 36598. Between Fresno del Río and Aradillos (Cantabria, Spain), 950 m, 43° 1’27.71”N / 4° 8’24.56”O. A. Fernández Ceballos & J.A. Fernández Prieto, FCO 36522. Espinilla (Cantabria, Spain), 930 m, 43° 1’18.39”N / 4°13’48.16”O.A. Fernández Ceballos & J.A. Fernández Prieto, FCO 36523. La Lomba (Cantabria, Spain), 1110 m, 43° 0’48.19”N / 4°18’2.54”O. A. Fernández Ceballos & J.A. Fernández Prieto, FCO 36524. Between Arenillas de Ebro and Polientes (Cantabria, Spain), 710 m, 42°48’46.42”N / 3°55’37.45”O. E. Cires & J.A. Fernández Prieto, FCO 36539 / 36540. Between Saja and Puerto de Palombera (Cantabria, Spain), 625 m, 43° 6’42.89”N / 4°17’26.15”O. A. Fernández Ceballos & J.A. Fernández Prieto, FCO 36525. Between Cuevas and Pesaguero (Cantabria, Spain), 735 m, 43° 4’34.72”N / 4°30’46.96”O. E. Cires & J.A. Fernández Prieto, FCO 36542 / 36543. Maredes (Cantabria, Spain), 820 m, 43° 7’54.67”N / 4°39’19.74”O. E. Cires & J.A. Fernández Prieto, FCO 36544. Between Piornedo and Campo (León, Spain), 1240 m, 42°59’53.81”N / 5°34’56.41”O. M. Ceballos & J.A. Fernández Prieto, FCO 36571 / 36572. Between Cofiñal and El Puerto de San Isidro (León, Spain), 1320 m, 43° 3’35.50”N / 5°16’37.84”O. M. Ceballos & J.A. Fernández Prieto, FCO 36573 / 36574 / 36575. Between Salinas de Pisuerga and Cervera de Pisuerga (Palencia, Spain), 950 m, 42°51’4.08”N / 4°23’35.87”O. E. Cires & J.A. Fernández Prieto, FCO 36541. Going up Puerto de Piedrasluengas (Palencia, Spain), 1290 m, 43° 1’36.10”N / 4°28’20.29”O. M. Ceballos, M. Fernández Ceballos & J.A. Fernández Prieto, FCO 36597. Balmaseda (Vizcaya, Spain), 200 m, 43°11’6.76”N / 3°12’17.38”O. E. Cires & J.A. Fernández Prieto, FCO 36534 / 36535. Luiaondo (Vizcaya, Spain), 200 m, 43° 4’34.46”N / 3° 0’0.27”O. E. Cires & J.A. Fernández Prieto, FCO 36536.

Figures

FIGURE 5. Photograph of sheet C10021787.The leftmost branch, marked with a yellow arrow, is designated as lectotype of Sarothamnus dieckii. Reproduced with permission of the Natural History Museum of Denmark.

FIGURE 6.Photograph of sheet MA60346,designated lectotype of Sarothamnus burgalensis Sennen &Elias.Reproduced with permission of the Herbario del Real Jardín Botánico, CSIC, Madrid.

FIGURE 7. Distribution of Cytisus cantabricus and C. dieckii in the Iberian Peninsula.A) Distribution of C.cantabricus s.s. B) Distribution of C. dieckii.