Phymaspermum trifidum Magee and Ruiters, 2016

Ruiters, Ashton K., Tilney, Patricia M., Wyk, Ben-Erik Van & Magee, Anthony R., 2016, Taxonomy of the Genus Phymaspermum (Asteraceae, Anthemideae), Systematic Botany (Basel, Switzerland) 41 (2), pp. 430-456 : 440-441

4. Phymaspermum trifidum Magee and Ruiters sp. nov. — TYPE: SOUTH AFRICA. Western Cape, Worcester (3319): Farm Goedemoed , between Robertson and McGregor (– DD), 28 November 2012, Magee and Boatwright 512 (holotype: NBG!; isotypes: BOL!, K!, PRE!, S!)

Single-stemmed, densely leafy shrub, 0.7 m high. Stem much-branched; branches erect to spreading, silvery pubescent; fascicles sometimes present in leaf axils. Leaves alternate, spreading, 5.0–17.0 × 0.8–1.0 mm, linear, mucronate, rarely entire (entire on peduncles), trifid, narrowed into petiole-like base, without secondary basal lobes, silvery sericeous on both surfaces, fleshy; basal swelling present, continuous with stem ribs; lobes 3, 1.0–8.0 × 0.8–1.0 mm, linear, mucronate. Capitula radiate, heterogamous, terminal, solitary, pedunculate; peduncles 20.0–40.0 mm long, silvery pubescent. Involucre 5.0–6.0 × 6.0–7.0 mm, hemispherical to cyathiform, not tapering at the base; involucral bracts 3- or 4-seriate, tightly arranged, margins and apices scarious, membranous apices of all bracts 0.3–1.3 mm long, pubescent, brown margins present, median resin canals present; outer bracts lanceolate to ovate, 2.1–2.4 mm long, acute to rounded; middle bracts lanceolate to ovate, 2.2–2.6 mm long, rounded; inner bracts ovate, 3.0–4.0 mm long, rounded; innermost bracts linear to oblong, 4.5–4.8 mm long, rounded. Receptacle convex; paleae in marginal series, linear to oblong, 4.3–5.9 mm long, rounded, rigid with scarious marappears to be from August to November. This species is reported to be well grazed ( Van Breda 4130, PRE).

Additional Specimens Examined — SOUTH AFRICA. Western Cape: 3319 (Worcester): Farm Goedemoed, between Robertson and McGregor (–DD), Helme 7480 (NBG). 3320 (Montagu): Bonnievale, Kapteinsdrift (–CC), Van Breda 4130 (PRE); Robertson, along road to Stormsvlei (–CC), Van Breda 805 (PRE two sheets).

5. PHYMASPERMUM LEPTOPHYLLUM (DC.) Benth. & Hook. f. ex B.D. Jacks. in Index Kew. 1: 37 (1893); Källersjö in Nord. J. Bot. 5 (6): 535 (1986) ; K. Bremer and Humphries in Bull. Nat. Hist. Mus. Lond. (Bot.) 23(2): 94 (1993) ; Goldblatt and J.C. Manning, Cape Pl.: 352 (2000) ; Germish. and N.L. Meyer, Pl. S. Afr.: 274 (2003); Klopper et al. Checklist of the flowering plants of Sub- Saharan Africa: 147 (2006); Germish. et al. Checklist S. African Pl.: 243 (2006). Adenachaena leptophylla DC. Prodr. , 6:49 (1838); Harv. and Sond., Fl. Cap. 3: (1864). —TYPE: SOUTH AFRICA. Western Cape, Montagu (3320): ‘ Trado’ [Tradouw], July 1835, (– DD) Drège 5954 (lectotype: G –DC sheet G00455504–image!, designated here; isoletotypes: P three sheets–image!). [Note: de Candolle cites both a Drège as well as an Ecklon collection. Both are present in G–DC but the Drège specimen (locality IV, B,c,1) is selected here as it bears the locality Zwellendam as cited by de Candolle in the protologue.]