Edit History
ERIGERON alpinus L. [family COMPOSITAE]
Date Updated: 19 August 2007
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora of Tropical East Africa
Resource Type
Reference Sources
Entry From
Flora of Tropical East Africa, page 315, (2002) Author: H.J. BEENTJE
Names
ERIGERON alpinus L. [family COMPOSITAE], Sp. Pl.: 864 (1753), as alpinum; DC., Prodr. 5: 291 (1836), as alpinum; Oliv. & Hiern in F.T.A. 3: 307 (1877); U.K.W.F. ed. 2: 205 (1994). Lectotype designated by Huber in Veroeff. Geobot. Inst. Ruebell 114: 34 (1993): Herb. Linn. 994.18 (LINN, lecto., microfiche!)
Trimorpha alpina (L.) Vierh. [family ], in Beih. Bot. Zentralbl. 19 (2): 425 (1906)
Information
Perennial herb to 25(–35) cm high; stems green to purplish, striate, densely white-pubescent. Leaves rosulate and cauline; proximal leaves petiolate (sessile in Kenyan material), the midrib and apex purple-brown, linear to narrowly spatulate, 1–12 cm long, 0.3–1.2 cm wide, obtuse to acute, cilate and with dense crispate hairs on both surfaces, but occasionally the oldest leaves glabrescent; cauline leaves up to 11(–16), lanceolate. Capitula 7–13 mm long, 1–3(–10) in lax corymbs; peduncle in Kenyan material up to 3 cm long, elsewhere much longer, densely pubescent; phyllaries green, distally lilac to purple, 35–80, linear-lanceolate, 5–9 mm long, 1–1.3 mm wide, acute, pubescent. Florets trimorphic; ray florets 60–150, pale purple, the tube ± 2.5 mm long, the rays 3.5–6 mm long, 0.5–1.2 mm wide, style ± 5.2 mm long; disc florets many, yellow, the outer female and filiform, 5.5–7.5 mm long with styles 3–4 mm long, the inner hermaphrodite with a tube of 4.5–4.8 mm long and lobes 0.25–0.4 mm long, anthers 1.2–1.5 mm long, style 5–5.5 mm long. Achenes 1–2 mm long; pappus with setae 3–6 mm long.
Range
DISTR. K 4 also in high mountains of Europe and Asia
Altitude range
3750–3950 m
Distribution
KENYA Meru District Hinde Valley, Feb. 1965, Allt 57! & Kazita East Valley, Mar. 1966, Hanid, Agnew & Heudes 74 & 135!
Distribution (external)
; Ethiopia
Notes
The Kenyan material at first sight seems much more compact, with very short stems, than the typical E. alpinus from Europe and Asia, but in Ethiopia (Bale Mts) the forms occur together; it is most likely this is the southernmost outlier of this highly variable taxon.
Date Updated: 19 August 2007
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora of Tropical East Africa
Resource Type
Reference Sources
Entry From
Flora of Tropical East Africa, page 315, (2002) Author: H.J. BEENTJE
Names
ERIGERON alpinus L. [family COMPOSITAE], Sp. Pl.: 864 (1753), as alpinum; DC., Prodr. 5: 291 (1836), as alpinum; Oliv. & Hiern in F.T.A. 3: 307 (1877); U.K.W.F. ed. 2: 205 (1994). Lectotype designated by Huber in Veroeff. Geobot. Inst. Ruebell 114: 34 (1993): Herb. Linn. 994.18 (LINN, lecto., microfiche!)
Trimorpha alpina (L.) Vierh. [family ], in Beih. Bot. Zentralbl. 19 (2): 425 (1906)
Information
Perennial herb to 25(–35) cm high; stems green to purplish, striate, densely white-pubescent. Leaves rosulate and cauline; proximal leaves petiolate (sessile in Kenyan material), the midrib and apex purple-brown, linear to narrowly spatulate, 1–12 cm long, 0.3–1.2 cm wide, obtuse to acute, cilate and with dense crispate hairs on both surfaces, but occasionally the oldest leaves glabrescent; cauline leaves up to 11(–16), lanceolate. Capitula 7–13 mm long, 1–3(–10) in lax corymbs; peduncle in Kenyan material up to 3 cm long, elsewhere much longer, densely pubescent; phyllaries green, distally lilac to purple, 35–80, linear-lanceolate, 5–9 mm long, 1–1.3 mm wide, acute, pubescent. Florets trimorphic; ray florets 60–150, pale purple, the tube ± 2.5 mm long, the rays 3.5–6 mm long, 0.5–1.2 mm wide, style ± 5.2 mm long; disc florets many, yellow, the outer female and filiform, 5.5–7.5 mm long with styles 3–4 mm long, the inner hermaphrodite with a tube of 4.5–4.8 mm long and lobes 0.25–0.4 mm long, anthers 1.2–1.5 mm long, style 5–5.5 mm long. Achenes 1–2 mm long; pappus with setae 3–6 mm long.
Range
DISTR. K 4 also in high mountains of Europe and Asia
Altitude range
3750–3950 m
Distribution
KENYA Meru District Hinde Valley, Feb. 1965, Allt 57! & Kazita East Valley, Mar. 1966, Hanid, Agnew & Heudes 74 & 135!
Distribution (external)
; Ethiopia
Notes
The Kenyan material at first sight seems much more compact, with very short stems, than the typical E. alpinus from Europe and Asia, but in Ethiopia (Bale Mts) the forms occur together; it is most likely this is the southernmost outlier of this highly variable taxon.
Date Updated: 19 August 2007
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora of Tropical East Africa
Resource Type
Reference Sources
Entry From
Flora of Tropical East Africa, page 315, (2002) Author: H.J. BEENTJE
Names
ERIGERON alpinus L. [family COMPOSITAE], Sp. Pl.: 864 (1753), as alpinum; DC., Prodr. 5: 291 (1836), as alpinum; Oliv. & Hiern in F.T.A. 3: 307 (1877); U.K.W.F. ed. 2: 205 (1994). Lectotype designated by Huber in Veroeff. Geobot. Inst. Ruebell 114: 34 (1993): Herb. Linn. 994.18 (LINN, lecto., microfiche!)
Trimorpha alpina (L.) Vierh. [family ], in Beih. Bot. Zentralbl. 19 (2): 425 (1906)
Information
Perennial herb to 25(–35) cm high; stems green to purplish, striate, densely white-pubescent. Leaves rosulate and cauline; proximal leaves petiolate (sessile in Kenyan material), the midrib and apex purple-brown, linear to narrowly spatulate, 1–12 cm long, 0.3–1.2 cm wide, obtuse to acute, cilate and with dense crispate hairs on both surfaces, but occasionally the oldest leaves glabrescent; cauline leaves up to 11(–16), lanceolate. Capitula 7–13 mm long, 1–3(–10) in lax corymbs; peduncle in Kenyan material up to 3 cm long, elsewhere much longer, densely pubescent; phyllaries green, distally lilac to purple, 35–80, linear-lanceolate, 5–9 mm long, 1–1.3 mm wide, acute, pubescent. Florets trimorphic; ray florets 60–150, pale purple, the tube ± 2.5 mm long, the rays 3.5–6 mm long, 0.5–1.2 mm wide, style ± 5.2 mm long; disc florets many, yellow, the outer female and filiform, 5.5–7.5 mm long with styles 3–4 mm long, the inner hermaphrodite with a tube of 4.5–4.8 mm long and lobes 0.25–0.4 mm long, anthers 1.2–1.5 mm long, style 5–5.5 mm long. Achenes 1–2 mm long; pappus with setae 3–6 mm long.
Range
DISTR. K 4 also in high mountains of Europe and Asia
Altitude range
3750–3950 m
Distribution
KENYA Meru District Hinde Valley, Feb. 1965, Allt 57! & Kazita East Valley, Mar. 1966, Hanid, Agnew & Heudes 74 & 135!
Distribution (external)
; Ethiopia
Notes
The Kenyan material at first sight seems much more compact, with very short stems, than the typical E. alpinus from Europe and Asia, but in Ethiopia (Bale Mts) the forms occur together; it is most likely this is the southernmost outlier of this highly variable taxon.
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