Compilation
Sonchus tenerrimus

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Name

Identification
Sonchus tenerrimus L. [family ASTERACEAE ] (stored under name); Verified by Loutfy Boulos, Sonchus tenuifolius Nutt. [family ASTERACEAE ]
Related name
  • Sonchus oleraceus
  • Sonchus briquetianus
  • Sonchus dianae
  • Sonchus tenuifolius
  • Sonchus tenerrimus
  • Sonchus pustulatus
  • Sonchus bourgeauii
  • Crepis bureniana
Common name
  • Slender sow-thistle, Flora of North America Vol. 19

Flora

Entry for SONCHUS tenerrimus L. [family COMPOSITAE]
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Somalia
Resource Type
Reference Sources
Entry From
Flora Somalia, (2000) Author: by H. Beentje (Acanthospermum, Ageratum, Aspilia, Atractylis, Blainvillea, Blumea, Carthamus, Cirsium, Conyza, Crepis, Dichrocephala, Distephanus, Echinops, Eclipta, Erlangera, Felicia, Flaveria, Geigera, Gerbera, Grangea, Gutenbergia, Helichrysum, Iphiona, Iphionopsis, Jurinea, Laggera, Litogyne, Osteospermum, Pegolettia, Pentanema, Pseudoblepharispermum, Pseudognaphalium, Psiadia, Pulicaria, Reichardia, Sclerocarpus, Sonchus, Sphaeranthus, Tagetes, Tarchonanthus, Tridax, Vernonia, Volutaria, Xanthium), T. Eriksson (Athroisma, Blepharispermum), N. Kilian (Launaea), S. King-Jones & M. Thulin (Pluchea), Mesfin Tadesse (Bidens), S. Ortiz & J. Rodríguez-Oubiña (Dicoma), and M. Thulin (Cineraria, Doellia, Emilia, Erythroseris, Euryops, Galinsoga, Gynura, Helianthus, Kleinia, Lactuca, Pentzia, Senecio, Solanecio, Verbesina, Zinnia). [updated by M. Thulin 2008]
Names
SONCHUS tenerrimus L. [family COMPOSITAE], (1753).
Information
Annual or perennial herb to 80 cm tall; stems glabrous. Leaves of the rosette lyrate,±5´2 cm; stem leaves pinnatisect, 3–20´1.2–8 cm, the lobes of various form but the apical lobe largest; base auriculate. Capitula several, stalked; involucre tomentose at base, 10–12 mm long; phyllaries±30, 1.5–12 mm long. Florets many, corolla yellow, tube 6–7 mm long, ligule 8–9 mm long. Achenes oblanceolate, slightly flattened, 2.5–3.3 mm long, tuberculate; pappus white, 6–8 mm long.
Range
N1 widespread weed.
Altitude range
altitude unclear.
Distribution
SOMALIA Burne 34, 42.
Notes
First record for Somalia.

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