The range extension
Utricularia garrettii was only known from
2 collections made by H.B.G. Garrett on the sameday from Doi Inthanon. Material collected at 2,100 m altitude on Phu Soi Dao (Phitsanulok) by the first author has seeds and most other features identical to material from Doi Inthanon;
however, the lower lip of the corolla is variable and may be of a radically
different shape. In material from Doi Inthanon the
lower lip of the corolla is very shallowly 5 lobed
with the top lateral lobes small but distinct and the
three lower lobes confluent to form a single large
lip. In contrast, some material from Phu Soi Dao
the lower lip of the corolla bears a distinct, though
small, central lobe flanked on either side by two
confluent lateral lobes which look rather like
emarginate wings lying on either side of the middle
lower lobe (Fig. 4E). Other material from Phu Soi
Dao appears identical in the form of its corolla to
that from Doi Inthanon; indeed one plant carries
flowers of both types. Therefore, species identification
in Section Phyllaria cannot rely solely on the
depth of lobing in the corolla; a combination of
characters is necessary.
The range extension
Utricularia garrettii was only known from
2 collections made by H.B.G. Garrett on the sameday from Doi Inthanon. Material collected at 2,100 m altitude on Phu Soi Dao (Phitsanulok) by the first author has seeds and most other features identical to material from Doi Inthanon;
however, the lower lip of the corolla is variable and may be of a radically
different shape. In material from Doi Inthanon the
lower lip of the corolla is very shallowly 5 lobed
with the top lateral lobes small but distinct and the
three lower lobes confluent to form a single large
lip. In contrast, some material from Phu Soi Dao
the lower lip of the corolla bears a distinct, though
small, central lobe flanked on either side by two
confluent lateral lobes which look rather like
emarginate wings lying on either side of the middle
lower lobe (Fig. 4E). Other material from Phu Soi
Dao appears identical in the form of its corolla to
that from Doi Inthanon; indeed one plant carries
flowers of both types. Therefore, species identification
in Section Phyllaria cannot rely solely on the
depth of lobing in the corolla; a combination of
characters is necessary.
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