Catolesia species

Roque, Nádia, Ferreira, Silvana C., Amorim, Vivian O. & Berg, Cássio Van Den, 2018, A new species of Catolesia (Asteraceae, Eupatorieae) from Chapada Diamantina, Brazil, Phytotaxa 347 (4), pp. 272-278 : 277

Key for Catolesia species

1. Leaf laminae aciculate, apex obtuse; capitula solitaries at the apex of the branches, capitulum ca. 1 × 0.8 cm, receptacle conical, paleae 60–70, flowers 60 to 100 per head ( Fig. 2 A–C ) .......................................................................................... C. monocephala

– Leaf laminae narrowly oblanceolate to lanceolate, apex apiculate; capitulescence congest at the apex of the branches, capitulum 6–7 × 5–6 mm, receptacle convex, paleae 4 up to 10, flowers 10 to 30 per head ............................................................................ 2

2. Leaf laminae 12–19 × 1.2–2.5 mm, base attenuate; capitulescence composed of several capitula conspicuously pedunculate and similarly sized; cypselae with pappus absent or setae abortive on upper ( Fig. 3 A,B ) .................................................. C. mentiens

– Leaf laminae 4–5 × 0.7–1.0 mm, base truncate; capitulescence composed of several capitula sessile, with the central capitulum markedly larger with twice as many flowers; cypsela with a short, coroniform pappus ( Fig. 3C ) .......................... C. huperzioides

Figures

FIGURE 2. Catolesia monocephala Roque & S.C. Ferreira. A. Shrubby habit. B. Leaves sessile, laminae aciculate, fleshy. C. Head terminal and flowers in anthesis (Photographs:A–C: V.O. Amorim).

FIGURE 3. Catolesia mentiens D.J.N. Hind. A. Capitulescence terminal showing heads congested. B. Details of three pedunculated heads. Catolesia huperzioides Roque, H. Rob. & A.A. Conceição. C. Shrub abundantly ramified, leaves scale-like, imbricated, appressed, and capitulescences at the apex of the branches (Photographs:A–B: V.O. Amorim, C. A.A. Conceição).