Family:
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Orobanchaceae /
Hamautsuboka |
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Notes For Reference:- |
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Species, Varieties, or Forms in the Genus Phtheirospermum:
Phtheirospermum japonicum /
Koshiogama
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Phtheirospermum japonicum / Koshiogama
コシオガマ |
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Phtheirospermum japonicum is
a semi-parasitic annual, 30-60cm tall, with dense, tender, glandular
hairs and sticky to the touch. Leaves are alternate, 3-5cm long and
2-3.5cm wide, triangular-ovate, and pinnately split. Axils on the
upper branches produce single, about 2cm long, light red-purple
flowers. Corollas are plump-tubular-lip-shaped; upper lips bend
backward, the tips shallowly cut in two, while the lower lips
significantly expand sideways and are cleft shallowly in three.
Stamens are four in number, and two are somewhat longer than the
others. Calyxes are bell-shaped and split into five, with margins
serrated and relatively dense glandular hairs. Bloom time:
September-October. |
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