Halodule uninervis (Forsskål) Ascherson Palau Islands, West Pacific The type species (holotype) of the genus Halodule is. Status of name. This name is of an. Description. Halodule uninervis is a marine, perennial herb that reaches up to 2- cm with a wiry and erect stems. Leaves are x cm, produced in. Halodule uninervis (Forsskål) Ascherson, Halodule beaudettei Aschers. Halodule pinifolia (Miki) den Hartog · Halodule wrightii Ascherson,

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It occurs on Pacific Islands such as Fiji. National University of Ireland, Galway. Linear strap-like leaves, mm wide Serrated leaf tip Leaf sheath is broadly triangular with a narrow base Leaf scars do not form a continuous ring around the stem Found on shallow subtidal reef flats and sand banks. This information is awaiting authentication by a species expert, and will be updated as soon as possible. Which species are on the road to recovery?

Oval shaped leaves in pairs 8 or more cross veins No hairs on leaf surface Preferred dugong food Common early colonising species Found from intertidal to subtidal depths. The views expressed on this site are those of the authors and not necessarily those of the program’s supporters. These factors restrict it to deeper intertidal waters than some other plants. Lindsey Paretti – Blood Island AfricachimpanzeeconservationfilmIn the Fieldlab chimpsLiberiaPrimatesprimatologyrehabilitationtrue storywildlifewildlife filmWildscreen Festival.

Lindsey Paretti – Blood Island. The narrow, toothed leaf blades are up to 15 centimeters long and usually roughly a millimeter wide, [3] though leaf width is variable and can be up to 7 millimeters.

Tropical Seagrass Identification from Waycott et al Seagrasses are a functional group, not a taxonomic group, of angiosperms flowering plantsi.

The leaves are wider in deeper waters. This species is unonervis flowering plant spreading via a branching rhizome that roots at the nodes. In other projects Wikimedia Commons. The wide leaf type is found in deeper areas with cloudier waters. This species is known to be hybridized to Halodule pinifolia in Okinawa, Japan. Populations can be disturbed only with permits in parts of Australia.


X Close Image credit. Cymodocea rotundata Cymodocea serrulata Enhalus acoroides Halodule pinifolia Halodule uninervis Halophila capricorni Halophila decipiens Halophila ovalis Halophila minor Halophila spinulosa Halophila tricostata Syringodium isoetifolium Thalassia hemprichii Thalassodendron ciliatum Zostera muelleri.

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Seagrass videos, photos and facts – Halodule uninervis | Arkive

Marine Biology 1 Field Guide to Seagrasses of the Red Sea. James Cook University, Townsville. This classification is an opinion of Seagrass-Watch HQ based on the best information available.

Embed this Arkive thumbnail link “portlet” by copying and pasting the code below. Zostera muelleri ZM ssp capricorni. Cylindrical in cross section spaghetti like Leaf tip tapers to a point Leaves cm long Found on shallow subtidal reef flats and sand banks. It is a euryhaline species, tolerating a wide salinity range.

Cluster of ribbon-like curved leaves at the end of an erect stem Round, serrated leaf tip Tough, woody rhizomes with scars from successive shoots Very coiled, branched roots Typically found in rocky areas with strong reef crests. Common names include narrowleaf seagrass in English and a’shab bahriya in Arabic. Ria Tan hello wildsingapore. New combinations in Australasian Zostera Zosteraceae. By using this site, you agree to the Terms of Use and Privacy Policy.

Tropical Seagrass Identification

It is also sensitive to ultraviolet radiation. If you are able to help please contact: The male flower is borne on a short peduncle and is enclosed in a leaf. It occupies the lower intertidal zoneand it is less tolerant of exposure to air than are plants of the upper intertidal zone such as Thalassia hemprichii.


Small oval leaf blade In general its populations are stable, though it may be decreasing in localized haloodule, such as the coast of Bangladeshand it fluctuates in some Australian waters. The narrow leaf type is found closer to shore where it is exposed more often.

It grows within the bounds of several marine parks and reserves in Africa. Colonisation and growth of the sea grasses, Halodule uninervis Forskal Ascherson and Halophila ovalis R. Fine, delicate leaves up to 20cm unniervis 1 central vein Black central vein splits into two at the rounded leaf tip Uninervid pale rhizome, with clean black leaf scars Found on intertidal sand banks. Populations are monitored in the United Arab Emirates.

There are apparently two morphsa narrow leaf and a wide leaf, rather than a continuous range. Terms of Use uninevis The displayed portlet may be used as a link from your website to Arkive’s online content for private, scientific, conservation or educational purposes only.

It produces erect stems and alternately arranged leaves. Rodents of Unusual Size. Food of the Red Sea dugong Mammalia: From Wikipedia, the free encyclopedia. Revision of Zostera capricorni has resulted in classfication to subspecies. Measurement of chlorophyll fluorescence reveals mechanisms for habitat niche separation of the uninercis seagrasses Thalassia hemprichii and Halodule uninervis.

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