Nolletia Cassini (1825: 479)

Herman, Paul P. J., 2013, Cypsela morphology in the genus Nolletia (Asteraceae, Astereae) and a revision of the genus, Phytotaxa 122 (1), pp. 1-44 : 5-8

publication ID

https://doi.org/ 10.11646/phytotaxa.122.1.1

persistent identifier

https://treatment.plazi.org/id/722F8791-FFF5-FFBE-FF1F-FC42046C045E

treatment provided by

Felipe

scientific name

Nolletia Cassini (1825: 479)
status

 

Nolletia Cassini (1825: 479) View in CoL ; Bentham (1873: 285, 286); Hoffmann (1889: 169); Phillips (1951: 785);

Merxmüller (1967: 118, 119); Dyer (1975: 671); Wild (1975: 18); Tutin (1976: 120); Hilliard (1977: 96, 97);

Ozenda (1977: 423); Bremer (1994: 427); Herman et al. (2000: 151); Nesom & Robinson (2007: 293). Type

species:— Nolletia chrysocomoides (Desfontaines 1799: 269, t. 232) Cassini ex Lessing (1832: 187).

Basionym:— Conyza chrysocomoides Desf.

= Leptothamnus de Candolle (1836: 367) ; Harvey (1865: 111). Type species:— Leptothamnus ciliaris de Candolle (1836: 367) ; Harvey (1865: 111)

Perennial herbs, suffrutices, dwarf or small shrubs, densely to sparsely leafy. Stems much-branched from base or simple below, branching upwards into corymbose synflorescences. Leaves alternate, sessile, filiform, linear, narrowly elliptic or narrowly obovate; margin entire; glabrous to appressed or spreading pubescent, sometimes glandular-hairy, often ciliate, sometimes with embedded oil glands on lower leaf surfaces. Capitula heterogamous, disciform; solitary or loosely arranged in terminal corymbs. Involucre campanulate. Involucral bracts imbricate, in 3 or 4 rows; glabrous, spreading or appressed pubescent, sometimes with oil sacs or minutely white-punctate, sometimes purplish at apex; margins often fimbriate; persistent and recurved in old inflorescences. Receptacle epaleate, foveolate. Outer female florets in 1 row, fertile, filiform or with short ray ( Fig. 3G, H View FIGURE 3 , Table 1); with glandular hairs; yellow but sometimes purplish at apex. Style usually exserted, bifurcate; style branches linear or narrowly elliptic, acute to obtuse; stigmatic areas marginal, confluent at apex, occasionally with reduced deltoid-penicillate apical appendages; often purplish. Cypsela and pappus as in disc florets. Disc florets numerous, regular, bisexual, fertile; corolla tubular below, widening slightly upwards but sides still parallel to each other, widening again into 5-lobed limb; with glandular hairs at first widening and on outside of lobes; yellow, but sometimes lobes and upper part of tube purplish. Anthers with narrowly ovate, apical appendages; base slightly calcarate, ecaudate; filament collar with thickened cell walls. Style exserted, bifurcate; style branches linear with deltoid-penicillate apical appendages or obtuse and papillate; stigmatic areas marginal, not confluent at apex. Cypsela narrowly obovoid, surface covered either with oblong epicarpic cells arranged in parallel rows, or with circular epicarpic cells; with twin hairs of various lengths; or in 1 species with scattered, circular epicarpic cells arranged in pairs, each pair with 1 twin hair between them ( Figs. 1–3F View FIGURE 1 View FIGURE 2 View FIGURE 3 , Table 1). Pappus of numerous, caducous, barbellate bristles.

Note on type species:—The combination Nolletia chrysocomoides was previously ascribed to Cassini, but according to Flann et al. (2010), Cassini never published this combination, Lessing did, in 1832.

Geographic range: Europe: Spain. North Africa: Mauritania, Morocco, Algeria, Tunisia, Libya. Southern tropical and southern Africa: Angola, Zambia, Namibia, Botswana, Zimbabwe and South Africa.

Kingdom

Plantae

Phylum

Tracheophyta

Class

Magnoliopsida

Order

Asterales

Family

Asteraceae

Loc

Nolletia Cassini (1825: 479)

Herman, Paul P. J. 2013
2013
Loc

Nolletia

Phillips, E. P. 1951: 785
Hoffmann, K. A. O. 1889: 169
1889
Loc

Leptothamnus

Harvey, W. H. 1865: 111
Harvey, W. H. 1865: 111
1865
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