Atractylis delicatula Batt. ex L.Chevall.

Family: Asteraceae
Flowering Time: Apr-May.

General Appearance

Atractylis delicatula Batt. ex L.Chevall., it is an annual, prostrate or procumbent, slender, adpressed hairy or glabrescent (in older parts), branched from the neck; branches up 10 30 cm long. Basal leaves 60 x 15 mm, oblanceolate in outline, tapered towards the base, pinnalifid, with lobes terminating into a stiff, reddish-brown spine; upper surface glabrous, green, under surface hairy; hairs woolly. Cauline leaves 10-40 x 5-15 mm, sessile, lanceolate, pinnatifid, with lobes terminating into a stiff, reddish spine; upper surface somewhat glabrous, undersurface hairy. Capitula solitary at the ends of branches, discoid, Involucre up to 20 mm long, up to 15 mm in diam, (excl. supplementary involucral bracts). Supplementary involucral bracts sub-2-rowed; supplementary involucral bract of the outer row up to 45 x 10 mm, similar to the leaves, but lobes with 1-3 spine; spines reddish. Supplementary involucral bract of the inner row up to 30 x 5 mm, linear, pinnatifid; lobes with (I-) 2-3 spines; spines reddish. Outermost involucraI bract 7 x3 mm, ovate, acute with tip drawn into a soft, reddish, 1.5 mm long mucro, densely whitish hairy at the back; margins 0.5 mm wide, scarious. Involucral bract of the 2nd row 8 x 4 mm, oblong, acute, with terminal mucro soft, reddish, up to 2 mm long, densely whitish hairy at the back; margins 1 mm wide, scarious. Involucral bract of the 3rd row 9 x 4 mm, broadly ovate-lanceolate, acute with terminal mucro soft, reddish, 1.5-2 mm, densely whitish hairy at the back; margins 1mm wide, scarious. Involucral bract of the 4th row 11 x 5 mm, broadly lanceolate, acute with terminal mucro soft, reddish, 1.5-2 mm long, whitish hairy at the back in the upper half; margins 1.5 mm wide, scarious. Involucral bract of the 5th row 13-14 x 4.5 mm, broadly oblanceolate, acute; with a terminal soft. reddish mucro of 2-2.25 mm long, slightly hairy at the back below the apex, margins 1.5-1.75 mm wide, scarious, hyaline except near the apex with violet spots. Involucre of the 6th row 17 x 4 mm, oblanceolate, acute with a terminal soft, reddish mucro of 2.25 mm, slightly hairy at the back below the apex; margins 1.25 mm wide, scarious with violet spot near the apex. Inner most involucral bract 16 x I mm, linear-subulate, scarious, with margins near the apex ciliate. Corolla up to 14 mm long, tubular, light rosy or whitish in colour. Ovary up to 5 mm long, covered with brown, woolly appressed hairs; hairs partly covering the base of the pappus; pappus setae plumose, 1-rowed, slightly shorter than the corolla.

Life Form

Th

Phytochoria

SA. The native range of this species is W. Sahara.

Distribution in Libya

Zliten-Misurata Plain:

Misurata 2006

Sirte Plains:

Bugrain 1975  (70 km) from Bugrain 1976

Jabal Nafusa:

Wazen, Libyan–Tunisian brder 1974  Msallata National Park (Shaafeen) 2013  Tarhuna (Wlaad Hammad) 2018  Gharyan (Sedrores Mountains) 2020   Wadi Kaam (Dam & lake, Main course, Headwaters) 2022

Al-Jabal Al-Akhder:

Wadi Al-Agar 1999

First: Encyclopedia Flora of Libyan:

Jafri, S. M. H. & El-Gadi, A. (1983) Flora of Libya, Asteraceae Vol. (107) Department of Botany, Al-Faateh Univ., Tripoli, Libya.

Second: Researches and PhD theses, master theses, Sorted by Newest:

Almushghub, F., Ahmed, D., Sharaf El-Din, A., Shaltout, k. (2022) Vegetation analysis of Wadi Kaam at northwest Libya. Journal of Basic and Environmental Sciences, 9 (2022) 20-37. https://www.researchgate.net/publication/357516127_Vegetation_analysis_of_Wadi_Kaam_at_northwest_Libya, https://jbes.journals.ekb.eg/article_372060_558ee8095e2cf97881a8a3cc705aa126.pdf

El-Ahmir, S.M., Mahklouf, M.H., Shanta, M.B., Abo-Jaafer, H.A. (2020) Floristic Study of Sedrores Mountains in Gharyan District-Libya. J. of Advanced Botany and Zoology. Volume 8 / Issue 1. ISSN: 2348-7313. https://zenodo.org/records/3931997, https://www.researchgate.net/profile/Sh-Hoob-El-Ahmir, https://www.researchgate.net/profile/Mohammed-Mahklouf

Mahklouf, M.H., Sherif, A.S., Betelmal, A.G. (2020) Floristic Study and Species Diversity of Msallata-Garaboulli Province in Libya. J. of Advanced Botany and Zoology Volume 7 / Issue 3 ISSN: 2348-7313. https://www.researchgate.net/profile/Mohammed-Mahklouf, https://www.researchgate.net/publication/341306643_Floristic_Study_and_Species_Diverisy_of_Msallata-Garaboulli_Province_in_Libya

Al-Masalati, N. A. A. (2013) Plant diversity across the altitudes of the Msallata National Park Reserve Mountains. Master Thesis. Botany Department-College of Science-University of Benghazi-Libya. (In Arabic).

Al-Dana, S. M. M. (2006) Taxonomic study of wild flower plants in some areas of Misrata. Master Thesis, Department of Botany, Faculty of Science, Misurata University (7 October previously) Misurata, Libya. (In Arabic).

Al-Hamadi R.I. (1999) Floristic and ecological study of wadi Al-Agar, Master Thesis, Botany Department, Faculty of Science, Botany Department-Faculty of Science-Garyounis University, Benghazi, Libya. (In Arabic).

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