(Image taken from http://rajkumartrinidadandtobago.weebly.com/physical.html)
Xyris grisebachii Malme
Another endemic plant to Trinidad and Tobago. This time, it is Xyris grisebachii Malme or more commonly known (like it’s cousins) as the Yellow-eyed Grass. It is only found in the Aripo Savannah according to sources. Information was easier to find than pictures.
(All hyperlinks in tact if clarification is needed on any terms specified below)
Herbs, perennial , occasionally annual , rosulate.
Stems simple , erect , sometimes caudiciform, short to branching, elongate .
Leaves alternate, 2-ranked, equitant; blade mostly linear to filiform , flattened to nearly terete , margins smooth to variously papillate or scabrous.
Inflorescences: scapes variously elongate; spike bracts imbricate, the proximal sterile , decussate, distal ones fertile , in spiral [decussate], bearing medially, usually subapically, a distinct and mostly differently textured and colored “dorsal area” or this indistinct or absent.
Flowers solitary in bract axils;
sepals 3, distinct, unequal, lateral (outer) sepals distinct [connate ], chaffy , boat-shaped , chaffy, inner one membranous, capping corolla; keel papery , or scarious , variously winged , variously margined ;
petals 3, distinct [to connate], equal, strongly clawed; blade ephemeral, spreading , yellow to white;
staminodes 3, distinct, strongly clawed, apically yoked, bearded with moniliform hairs (rarely reduced, beardless) ;
stamens 3, epipetalous ; anthers 2—4-locular; ovaries y thin-walled, placentation marginal to parietal [basal, free-central , axile ];
styles elongate, tubular , 3-branched; stigmas 3, U-shaped or funnelform .
Capsules 3-valved, usually thin, loculicidal.
Seeds [1—]15—90 or more, mealy or translucent , ovoid to cylindric , 0.3—1(—4) mm, variously lined and cross-lined;
endosperm starchy and proteinaceous;
embryo basal-lateral, minute.
Information - Zip-code Zoo - Xyris grisebachii Malme
Image (More images) Xyridaceae > Xyris (yellow-eyes grass)
Specimen (small picture, larger not available) http://ts-den.aluka.org/fsi/img/size1/alukaplant/s/phase_01/s0001/s-r-6581.jpg