Field Guide Seagrass Species PDF

Seagrass Species Enhalus acoroides Halophila capricorni Halophila decipiens Halophila minor Halophila spinulosa Halophila tricostata Thalassia hemprichii Cymodocea rotundata Cymodocea serrulata Thalassodendron ciliatum Zostera capricorni Halophila ovalis...

Seagrass Species Enhalus acoroides Halophila capricorni Halophila decipiens Halophila minor Halophila spinulosa Halophila tricostata Thalassia hemprichii Cymodocea rotundata Cymodocea serrulata Thalassodendron ciliatum Zostera capricorni Halophila ovalis Halodule uninervis Syringodium isoetifolium Halodule pinifolia   very long ribbon like leaves with enrolled leaf margins  thick rhizome with long black bristles and cord-like roots  leaves 30-150 cm long Enhalus acoroides Enhalus acoroides   small oval leaf blade 1- 2.5 cm long  6-8 cross veins  leaf hairs on both sides Halophila decipiens Halophila decipiens   eight or more cross veins  no hairs on leaf surface Halophila ovalis Halophila ovalis   less than eight pairs of cross veins  small oval leaf blade Halophila minor Halophila minor   fern-like  leaves arranged in opposite pairs  erect shoot up to 15cm long Halophila spinulosa Halophila spinulosa   short black bars of tannin cells on leaf  thick rhizome with scars between shoots  “sickle-shaped” leaves  leaves 10-40cm long Thalassia hemprichii Thalassia hemprichii   rounded leaf tip  narrow leaf blade (2-4mm wide)  leaves 7-15cm long  9-15 longitudinal veins  Well-developed leaf sheath Cymodocea rotundata Cymodocea rotundata   serrated leaf tip  wide leaf blade (5-9mm wide)  leaves 6-15cm long  13-17 longitudinal veins Cymodocea serrulata Cymodocea serrulata   trident leaf tip  1 central vein  usually pale rhizome, with clean black leaf scars Halodule uninervis Halodule uninervis   cylindrical in cross section  leaf tip tapers to a point  leaves 7-30cm long Syringodium isoetifolium Syringodium isoetifolium   cluster of ribbon-like curved leaves at the end of a very long elongate shoot  “woody” rhizome  erect shoots 10-65cm long Thalassodendron ciliatum Thalassodendron ciliatum   thin, transluscent leaf blades  5 longitudinal veins  cross veins Zostera capricorni Zostera capricorni  Halodule pinifolia Halodule pinifolia  Halophila tricostata Halophila tricostata  Halophila capricorni Halophila capricorni PUERTO GALERA