Phch128laboratoryexperiment01worksheet.docx
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PH CH 128 LABORATORY (SY 2016 - 2017) EXPERIMENT NO 1: DIAGNOSTIC PLANT MORPHOLOGY AND ANATOMY
SAMPLE 1: Bayabas Picture Common Name
Bagabas (Ig.); bayabas (Ibn.,Ilk.,Tag.,C.Bis.); bayauas (Bik.); bayabo (Ibn.); biabas (Sul.); gaiyabat (If.); gaiyabit (If.) [c]
Botanical Origin
Psidium guajava Linn. [c]
Ontogenic Factors Overall External Features Leaves
Leaves are opposite, rounded [c]
Stems
Many branches; stems crooked, bark light to reddish brown, thin, smooth, continuously flaking [b]
Roots
Root system generally superficial and very extensive, frequently extending well beyond the canopy, there are some deep roots but no distinct taproot [a]
Flowers
Flowers are white, 3 to 3.5 centimeters across, solitary or two to three together when ripe [c]
Fruits
Fruits are yellow and rounded (sometimes pear-shaped), 3 to 10 cm in diameter, with 4 or 5 retained sepals at the apex [b]
Seeds
Many seeds embedded in aromatic, pink, edible pulp [c]
References: [a] http://eol.org/pages/2508593/details [b] http://www.worldagroforestry.org/treedb/AFTPDFS/Psidium_guajava.PDF [c] Quisumbing: page 67 of 398
SAMPLE 2: Yerba Buena
Picture Common Name
Ablebana (If.); hierba buena, yerba buena (Sp.,Tag.); mint, peppermint, marsh mint (Engl.) [c]
Botanical Origin
Mentha abvensis Linn. [c]
Ontogenic Factors Overall External Features Leaves
Leaves are elliptic to oblong-ovate, 1.5 to 4 centimeters long, short-stalked, toothed in the margins, and rounded or blunt- tipped [c]
Stems
Much-branched herb, with the stems growing up to 40 centimeters long, and the ultimate branches ascending [c]
Roots
Root system generally superficial and very extensive, frequently extending well beyond the canopy, there are some deep roots but no distinct taproot [a]
Flowers
Flowers are borne in axillary, headlike whorls. The calyx teeth are triangular or lanceolate, and hairy, the corolla also being hairy [c]
Fruits
Fruit is composed of 4 nutlets [d]
Seeds References: [c] Quisumbing: page 145 of 398 [d] https://courses.washington.edu/esrm412/protocols/CLDO2.pdf
SAMPLE 1: Bayabas Picture Common Name
Bagabas (Ig.); bayabas (Ibn.,Ilk.,Tag.,C.Bis.); bayauas (Bik.); bayabo (Ibn.); biabas (Sul.); gaiyabat (If.); gaiyabit (If.) [c]
Botanical Origin
Psidium guajava Linn. [c]
Ontogenic Factors Overall External Features Leaves
Leaves are opposite, rounded [c]
Stems
Many branches; stems crooked, bark light to reddish brown, thin, smooth, continuously flaking [b]
Roots
Root system generally superficial and very extensive, frequently extending well beyond the canopy, there are some deep roots but no distinct taproot [a]
Flowers
Flowers are white, 3 to 3.5 centimeters across, solitary or two to three together when ripe [c]
Fruits
Fruits are yellow and rounded (sometimes pear-shaped), 3 to 10 cm in diameter, with 4 or 5 retained sepals at the apex [b]
Seeds
Many seeds embedded in aromatic, pink, edible pulp [c]
References: [a] http://eol.org/pages/2508593/details [b] http://www.worldagroforestry.org/treedb/AFTPDFS/Psidium_guajava.PDF [c] Quisumbing: page 67 of 398
SAMPLE 2: Yerba Buena
Picture Common Name
Ablebana (If.); hierba buena, yerba buena (Sp.,Tag.); mint, peppermint, marsh mint (Engl.) [c]
Botanical Origin
Mentha abvensis Linn. [c]
Ontogenic Factors Overall External Features Leaves
Leaves are elliptic to oblong-ovate, 1.5 to 4 centimeters long, short-stalked, toothed in the margins, and rounded or blunt- tipped [c]
Stems
Much-branched herb, with the stems growing up to 40 centimeters long, and the ultimate branches ascending [c]
Roots
Root system generally superficial and very extensive, frequently extending well beyond the canopy, there are some deep roots but no distinct taproot [a]
Flowers
Flowers are borne in axillary, headlike whorls. The calyx teeth are triangular or lanceolate, and hairy, the corolla also being hairy [c]
Fruits
Fruit is composed of 4 nutlets [d]
Seeds References: [c] Quisumbing: page 145 of 398 [d] https://courses.washington.edu/esrm412/protocols/CLDO2.pdf
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