Tropical Plant Research
An International Journal by Society for Tropical Plant Research
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2017, VOLUME 4 ISSUE 2Pages: 358-362
Morpho-anatomical description of Lygodium hazaricum Haq a new contribution to the fern flora of Pakistan
Faizul Haq
*Department of Botany, Government Degree College, Battagram, Khyber Pakhtunkhwa, Pakistan
Abstract:
Lygodium hazaricum a climbing fern was collected from Nandiar valley western Himalayas during 2016. The rhizome is widely creeping, dichotomously branched and densely clothed with dark brown hairs. The epidermal layer of rhizome is covered with dark brown hairs, which is sheeting at base and acute at tip. Roots arise opposite to fronds and root branches are bulbous. Rachis is with solid oval protostele. The cells of phloem are smaller than xylem cells. The sporangia are 600 μm long and 500 μm wide, globular in cross section. Sporangium is very short stalked and placed horizontally. The mature sporangium has upto 256 spores. Spores are subtriangular. Sporangium also contains few red spores. L. hazaricum is used for the treatment of diarrhea, dysentery and hepatitis. It is a new contribution to the fern flora of Pakistan.
Lygodium hazaricum a climbing fern was collected from Nandiar valley western Himalayas during 2016. The rhizome is widely creeping, dichotomously branched and densely clothed with dark brown hairs. The epidermal layer of rhizome is covered with dark brown hairs, which is sheeting at base and acute at tip. Roots arise opposite to fronds and root branches are bulbous. Rachis is with solid oval protostele. The cells of phloem are smaller than xylem cells. The sporangia are 600 μm long and 500 μm wide, globular in cross section. Sporangium is very short stalked and placed horizontally. The mature sporangium has upto 256 spores. Spores are subtriangular. Sporangium also contains few red spores. L. hazaricum is used for the treatment of diarrhea, dysentery and hepatitis. It is a new contribution to the fern flora of Pakistan.
Fig.: Morphology of Lygodium hazaricum Haq: A, Full plant; B, Rhizome and rhizoid; C, Sporangia on leaf margin.
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