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Soma (Species 5)

Common Names


Common Names To be Updated Soon

About    Taxonomy


Click to access the GRIN database record about the specific taxonomical hierarchy (Family, Genus etc.).

CLASSIFICATION


TAXON 


Asclepias syriaca L.

FAMILY 


Apocynaceae Juss.

ALTERNATE FAMILY


nom. cons.

OTHER FAMILY:


Asclepiadaceae

TRIBE


Asclepiadoideae

SUBTRIBE


Asclepiadeae

CLASSIFICATION


Asclepiadinae

GENUS 


Asclepias L.

SPECIES


syriaca L. Sp. pl. ed. 2, 1:313. 1763


Plant Description


Herbaceous perennial plant growing from a rhizome to 1-2 m tall. Stems - Stout, erect, herbaceous, to 1.5m tall, 4-angled (the angles rounded), tomentoulose, with milky sap.Leaves - Opposite, decussate, short petiolate. Petioles to -1cm long. Blades to +/-20cm long, +/-10cm broad, entire, tomentose (tomentoulose) and light green below, darker green and sparse tomentoulose above, often with purplish midrib adaxially, ovate-oblong to ovate-lanceolate or elliptic, rounded at base, acute at apex. Veins of the leaf anistomosing before the margins of the leaf (best viewed abaxially).Inflorescence - Axillary, pedunculate, globose umbels on the apical 1/2 of the stem. Peduncles to +/-6cm long, tomentose. Flowers +/-100 per umbel. Pedicels tomentose, to 4cm long, typically with some purplish tinge.Flowers - Petals 5, reflexed, subulate, to 9mm long, 3-4mm broad, acute, entire, glabrous internally, pubescent externally. Hoods creamy whitish-purple, 4-5mm tall, attached basally to column, glabrous. Horns to 2mm long, whitish-purple, curved inward and touching the top of the anther column. Column dark purple and whitish at the apex, 2-3mm long and broad. Anther sacs 2mm long, connective dark purplish-brown. Sepals 5, green, pubescent externally, glabrous internally, reflexed, shorter than the petals.

Flowering Period: May - Aug.

 

*Description source: Not verified.

STUDIES & RESEARCH