Stoebe rosea Wolley-Dod (1901: 399)

Koekemoer, Marinda, 2016, A monograph of Stoebe and Seriphium (Gnaphalieae, Asteraceae) in southern Africa and neighbouring islands, Phytotaxa 242 (1), pp. 448-450 : 448-450

14. Stoebe rosea Wolley-Dod (1901: 399) . Type :— SOUTH AFRICA. From Muizenberg southwards, Wolley Dod 273 (K!, lectotype, designated here; BOL!, isolectotype).

= Stoebe pentheri Hoffmann (1910: 302) . Type :— SOUTH AFRICA. Muizenberg , January, Penther 1151 (BM!, lectotype, designated here; BOL!, isolectotype).

Much-branched shrub, 0.5 m tall, older plants collapsing in the centre. Branches very densely leafy, erect and rigid. Leaves rigid, ericoid, keeled with a prominent midrib, twisted, patent or slightly reflexed, 6 mm long, the lower surface slightly woolly when young, glabrous later, often with waxy deposits on the surface, tips pungent. Synflorescences with very densely massed capitula in globose, terminal heads, interspersed with subtending leaves. Capitula homogamous, discoid, 1-flowered. Involucral bracts 4–9, up to 4 mm long, about half the length of the tube, outer bracts shorter than the inner, leafy and woolly at the apex, inner bracts scarious, acute. Florets bisexual, bright pink, widening in upper part; corolla lobes short, incurved, triangular, 5 mm long, thickened along the margins. Stamens 5, apical appendage lanceolate, basally tailed. Style bifid, slightly swollen at the base. Nectaries present in some florets, but generally reduced or absent. Cypselas covered with rather shaggy, adpressed hairs, ascending in upper half. Pappus setae 20–26, basally fused in a tube for at least one quarter the length, about as long as the corolla, setae barbed in lower parts, densely plumose in upper three quarters, tips not tufted. Flowering January to March.

Distribution and habitat: —Endemic to the Cape Peninsula, known mainly from two localities: Constantiaberg and Rooihoogte, in the Cape of Good Hope Nature Reserve. Figure 32 .

Ecology: — Rocky Table Mountain Sandstone areas, below elevations of 600 m.

Conservation status: —Rare.

Additional specimens examined:— SOUTH AFRICA, Western Cape. Muizenberg (3418AB), January 1878, Bolus 3915 (BOL); Constantiaberg (3418AB), 8 March 1940, Bond 196 (NBG); Noordhoek Mts. (3418AB), 7 January 1945, Compton 16905 (NBG); Noordhoek Mts. (3418AB), 22 February 1945, Compton 16964 (NBG); In summo montis supra Lakeside (3418AB), February 1908, Dümmer 1156 (E); Vlakkenberg, N of Constantiaberg (3418AB), 12 September 1965, Esterhuysen 31189 (BOL); Noordhoek PK. (3418AB), 31 October 1965, Esterhuysen 31349 (BOL); Noordhoek Peak (3418AB), 26 April 1966, Esterhuysen 31529a (BOL); Cape Peninsula, Constantiaberg (3418AB), 16 January 1972, Esterhuysen 32795 (BOL, K, PRE, S); Constantiaberg , steep S slopes above the Prinz Kasteel River valley source, rock outcrops (3418AB), 4 February 1972, Esterhuysen 32811 (NBG, PRE); Cape Peninsula: Skoorsteenkop . On slopes, S aspect, facing the beacon overlooking Hout Bay , above small valley (3418AB), 20 January 1974, Esterhuysen 33471 (BOL, S); Cape Peninsula, ridge E of Skoorsteenkop on rocky slope, S aspect facing Constantiaberg (3418AB), 21 March 1976, Esterhuysen 34218 (BOL, NBG); Cape Peninsula, Noordhoek peak, fire-belt on W slope (3418AB), 18 February 1979, Esterhuysen 35182 (BOL, NBG, PRE); Cape Peninsula, Swartkop LF (3418AB), 30 January 1934, Galpin 12697 (K, PRE); CGHNR, Rooihoogte (3418AB), 26 February 1991, Koekemoer 535 (PRE); Constantiaberg (3418AB), 12 March 1991, Koekemoer 623 (PRE); Cape of Good Hope Nat. Res., Rooihoogte (3418AB), 14 January 1996, Koekemoer 1149 (PRE); Rooihoogte, CGHNR (3418AB), 29 March 1996, Koekemoer 1263 (PRE); Hout Bay (3418AB), 15 March 1935, Levyns 4939 (BOL); Muizenberg (3418AB), January 1884, Marloth 409 (PRE); Simonstown Mts. (3418AB), December 1933, Minicki SAM51364 (SAM); St. James Mt. (3418AB), January 1915, Moran 19186 (PRE); Muizenberg (3418AB), 23 January 1895, Penther 1151 (BM, BOL); Summit of Muizenberg proper (3418AB), 9 January 1916, Pillans 3634 (BOL); Muizenberg (3418AB), February 1902, Pillans 8046 (BOL); Cape Peninsula, Klaver Valley (3418AB), 24 January 1932, Salter 1945 (K); NW summit of Muizenberg Mt. (3418AB), 19 February 1933, Salter 2994 (K, SAM); Cape Peninsula, S slope of Zwartkop (3418AB), 31 January

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1939, Salter 8013 (NBG); Simonstown, summit Swartkop above Froggy Farm (3418AB), 5 March 1977, Taylor 9573 (K, NBG, PRE); Simonsberg, the only duplicate of this was sent to Mr. Bolus (3418AB), 16 January 1896, Wolley Dod 273 (K); Klasjagersberg, unique, the only piece collected (3418AB), 8 March 1897, Wolley Dod 2417 (BOL, K); Cape Peninsula, near Brightwater (3418AD), 21 March 1946, Leighton 1615 (BOL); CGHNR, Rooihoogte West (3418AD), 17 June 1966, Taylor 6859a (NBG); Kalk Bay. Top of mountain, January 1917, Geo Potts 2215 (BLFU); Redhill, Grey (Admiral) (K).

Figures

FIGURE 32:—Known distribution of Stoebe rosea in South Africa.