Compilation
Heliotropium persicum

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Name

Identification
Heliotropium persicum [family BORAGINACEAE ] Verified by Not on sheet., Heliotropium ramosissimum Sieber ex DC. [family BORAGINACEAE ] (stored under name); Verified by Not on sheet.,
Related name
  • Heliotropium eriocarpum
  • Heliotropium linearum
  • Heliotropium bacciferum
  • Lithospermum unrecorded
  • Heliotropium ramosissimum
  • Heliotropium persicum
  • Heliotropium undulatum

Flora

Entry for ECHIOCHILON persicum (Burm. f.) I.M. Johnst. [family BORAGINACEAE]
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Somalia
Resource Type
Reference Sources
Entry From
Flora Somalia, Vol 3, (2006) Author: by M. Thulin (Argusia, Arnebia, Bourreria, Coldenia, Cynoglossum, Cystostemon, Echiochilon, Ehretia, Heliotropium, Nogalia, Trichodesma, Wellstedia) & A. M. Warfa (Cordia) [updated by M. Thulin 2008]
Names
ECHIOCHILON persicum (Burm. f.) I.M. Johnst. [family BORAGINACEAE], (1957);
Heliotropium persicum Burm. f. [family BORAGINACEAE], (1768). [type as above]
Sericostoma albidum Franch. [family BORAGINACEAE], (1882);. type: N Somalia, without precise locality, Révoil 81 (P holo.).
Echiochilon albidum (Franch.) I.M. Johnst. [family BORAGINACEAE], (1957);. type: N Somalia, without precise locality, Révoil 81 (P holo.).
Sericostoma verrucosum Beck [family BORAGINACEAE], (1888);. type: N1, “Warabot”, Hardegger s.n. (W holo.).
Echiochilon verrucosum (Beck) I.M. Johnst. [family BORAGINACEAE], (1957);. type: N1, “Warabot”, Hardegger s.n. (W holo.).
Heliotropium albohispidum Baker [family BORAGINACEAE], (1895);. type: N1, “Hammar”, Cole s.n. (K holo.).
Heliotropium calcareum Vatke [family BORAGINACEAE], (1882), nom. illeg.;. type: N2, ”Yafir”, Hildebrandt 890a (BM lecto., W isolecto.).
Heliotropium vatkei Baker [family BORAGINACEAE], (1906);. type: N2, ”Yafir”, Hildebrandt 890a (BM lecto., W isolecto.).
Sericostoma calcareum I.M. Johnst. [family BORAGINACEAE], (1930);. type: N2, ”Yafir”, Hildebrandt 890a (BM lecto., W isolecto.).
Echiochilon vatkei (Baker) I.M. Johnst. [family BORAGINACEAE], (1957);. type: N2, ”Yafir”, Hildebrandt 890a (BM lecto., W isolecto.).
Information
Perennial herb or shrublet, up to 35 cm high, ± densely pubescent with appressed disk-based hairs and sometimes also short glandular hairs. Leaves alternate, oblong, narrowly oblanceolate to oblanceolate, 2–17(–22) x 0.5–2(–3) mm, cuneate to attenuate at the base, acute to obtuse at the apex, with flat to involute margins. Flowers in ± well developed cymes or sometimes interrupted with some flowers below the inflorescence. Calyx-lobes equal to somewhat unequal, 1.7–4.2 x 0.5–1.2 mm in flower. Corolla usually white or yellowish, more rarely bluish or reddish, funnel-shaped, regular or somewhat zygomorphic, 2.5–7 mm long, villous with yellow hairs in throat, the tube glabrous or rarely somewhat pubescent outside; lobes equal or almost so, pubescent outside. Style 0.6–1.5 mm long, with slightly 2-fid or notched sterile tip protruding 0.02–0.14 mm above the stigmas. Nutlets whitish, beige or reddish, ovate in outline, (1.1–)1.5–2.4 x 1.2–2 mm, tuberculate and sometimes ridged.
Range
N1–3 Djibouti, Sudan, Socotra, the Arabian Peninsula and eastwards to Pakistan.
Altitude range
200–1650 m.
Distribution
SOMALIA Thulin & Warfa 6088; Thulin, Abdi Dahir & Abdisalam Hassan 8986; Thulin & al. 10589.
Notes
This is a very variable taxon particularly in indumentum characters. Thulin, Abdi Dahir & Ahmed Osman 9476, cited as E. persicum by Lönn (1999), is a shrublet with characteristically glutinous young parts and very long narrow leaves growing on gypsum outcrops at 1600–1650 m in N3 with normal E. persicum in the vicinity. This may well be a distinct species, represented also by Thulin, Abdi Dahir & Ahmed Osman 10126 and 10196.

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