OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Commelinids: Commelinales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Philydrum lanuginosum   FAMILY Philydraceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Philydrum lanuginosum   FAMILY Philydraceae

 

COMMON NAME:
Woolly Frogsmouth, Frogmouth, Woolly Waterlily


         To see larger pictures, click or hover over the thumbnails.

image of Philydrum lanuginosum, Woolly Frogsmouth, Frogmouth, Woolly Waterlily

Keith Bradley    kab_philydrum_6152

June    Beaufort County    SC

Prefers full sun to half shade, per Pest Alert: Wooly Frogs Mouth.

image of Philydrum lanuginosum, Woolly Frogsmouth, Frogmouth, Woolly Waterlily

Keith Bradley    kab_philydrum_6780

June    Beaufort County    SC

Flowers borne in the axils of spathe-like bracts, per Angiosperm Phylogeny Website.

image of Philydrum lanuginosum, Woolly Frogsmouth, Frogmouth, Woolly Waterlily

Keith Bradley    kab_philydrum_6806c

June    Beaufort County    SC

Multiple yellow flowers borne on a simple (sometimes few-branched) spike, per Weed Risk Assessment for Philydrum lanuginosum (Philydraceae) - Woolly frogs mouth.


click here to see other plants that look similar to this COMPARE aquatic plants

image of Philydrum lanuginosum, Woolly Frogsmouth, Frogmouth, Woolly Waterlily

Anthony L. Koop    alk_planuginosum_b2

August    Pender County    NC

Found mostly along margins but can grow in up to 2' of water, per Pest Alert: Wooly Frogs Mouth.

image of Philydrum lanuginosum, Woolly Frogsmouth, Frogmouth, Woolly Waterlily

Anthony L. Koop    alk_planuginosum_b3l

August    Pender County    NC

Density of flowering stems in a Pender County population.

image of Philydrum lanuginosum, Woolly Frogsmouth, Frogmouth, Woolly Waterlily

Anthony L. Koop    alk_planuginosum_b3r

August    Pender County    NC

Fruiting stems with capsules that have opened and dispersed their seeds.

image of Philydrum lanuginosum, Woolly Frogsmouth, Frogmouth, Woolly Waterlily

Anthony L. Koop    alk_planuginosum_dehcaps

August    Pender County    NC

The 3-valved capsules (here dehisced) contain 100s-1000s of tiny seeds, per Weed Risk Assessment for Philydrum lanuginosum (Philydraceae) - Woolly frogs mouth.

image of Philydrum lanuginosum, Woolly Frogsmouth, Frogmouth, Woolly Waterlily

Anthony L. Koop    alk_planuginosum_flower

August    Pender County    NC

Flowers have only one stamen, per Weed Risk Assessment for Philydrum lanuginosum (Philydraceae) - Woolly frogs mouth.

image of Philydrum lanuginosum, Woolly Frogsmouth, Frogmouth, Woolly Waterlily

Anthony L. Koop    alk_planuginosum_habit

August    Pender County    NC

Habit (here one square meter contains about 14 clumps, some with 3-4 plants).

image of Philydrum lanuginosum, Woolly Frogsmouth, Frogmouth, Woolly Waterlily

Bridget Lassiter    brl_1582

August    Pender County    NC

Philydrum lanuginosum along the shore of a pond.

image of Philydrum lanuginosum, Woolly Frogsmouth, Frogmouth, Woolly Waterlily

Bridget Lassiter    brl_1583

August    Pender County    NC

Flowers last only 1 day and are nectarless, scentless and self-pollinating, per Weed Risk Assessment for Philydrum lanuginosum (Philydraceae) - Woolly frogs mouth.

image of Philydrum lanuginosum, Woolly Frogsmouth, Frogmouth, Woolly Waterlily

Bridget Lassiter    brl_1585

August    Pender County    NC

Leaves are linear, rather spongy-thickened, relatively flat, 30-70cm long, per Weed Risk Assessment for Philydrum lanuginosum (Philydraceae) - Woolly frogs mouth.

image of Philydrum lanuginosum, Woolly Frogsmouth, Frogmouth, Woolly Waterlily

Bridget Lassiter    brl_1586

August    Pender County    NC

Seeds germinate on water-logged soil & underwater, and seedlings can float, per Weed Risk Assessment for Philydrum lanuginosum (Philydraceae) - Woolly frogs mouth.

image of Philydrum lanuginosum, Woolly Frogsmouth, Frogmouth, Woolly Waterlily

Bridget Lassiter    brl_1588

August    Pender County    NC

image of Philydrum lanuginosum, Woolly Frogsmouth, Frogmouth, Woolly Waterlily

Bridget Lassiter    brl_1594

August    Pender County    NC

Dust-like seeds dispersed by water (and possibly by birds, wind & animals), per Weed Risk Assessment for Philydrum lanuginosum (Philydraceae) - Woolly frogs mouth.

image of Philydrum lanuginosum, Woolly Frogsmouth, Frogmouth, Woolly Waterlily

Bridget Lassiter    brl_1598

August    Pender County    NC

image of Philydrum lanuginosum, Woolly Frogsmouth, Frogmouth, Woolly Waterlily

Bridget Lassiter    brl_1871

August    Pender County    NC

image of Philydrum lanuginosum, Woolly Frogsmouth, Frogmouth, Woolly Waterlily

Bridget Lassiter    brl_1881

August    Pender County    NC

image of Philydrum lanuginosum, Woolly Frogsmouth, Frogmouth, Woolly Waterlily

Mark Garland and Doug Goldman    dgo_170919_011_sm_b

August    Pender County    NC

Seeds mostly 0.6-0.8mm long, here seen at 70x magnification.

image of Philydrum lanuginosum, Woolly Frogsmouth, Frogmouth, Woolly Waterlily

Mark Garland and Doug Goldman    dgo_170919_013_sm_b

August    Pender County    NC

These seeds photographed using a microsope at a magnification of approx 35x.

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Philydrum lanuginosum   FAMILY Philydraceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Philydrum lanuginosum   FAMILY Philydraceae

 

Find by SCIENTIFIC NAME:

4074

Emergent aquatic (rooted, but seedlings can float); Forb
Perennial

Habitat: Shores of depression ponds, per Weakley's Flora

Non-native: tropical Asia & Australia

Rare

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.


Invasive?

This plant may be causing problems in natural areas outside its native range, according to authorities such as:

 

LEAVES:
Simple - flat and rather spongy-thickened
Alternate, 2-ranked

FLOWER:
Spring/Summer/Fall
Yellow
Bilaterally symmetrical
2 outer tepals, yellow, petal-like
2 inner tepals basally fused to stamen
1 stamen
Superior ovary
Bisexual

Flowers in axils of spathe-like bracts, in a spike

FRUIT:
Spring/Summer/Fall
Capsule

 

TO LEARN MORE about this plant, look it up in a good book!



 


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