Clerodendrum speciosissimum

Common Name: Javanese glorybower

Family: Lamiaceae

Common Synonyms: Clerodendrum speciosissimum forma album, Clerodendrum lindleyi var. paniculatum

USDA Hardiness Zone: 9a-11

Growth Habit: Shrub, Subshrub, Tree

Origin: Indonesia

FISC Category: -

FDACS Listed Noxious Weed: No

Introduction Date: Earliest Florida specimen vouchered in 1949

IFAS Assessment:

• North: OK
• Central: CAUTION
• South: CAUTION

Description

Shrub or subshrub to 4 m high, often spreading by runners. Leaves opposite, the petioles to 21 cm long, densely pubescent, the blades broadly ovate to ovate-rotund, 7-20 (-35) x 6-17 (-26) cm, deeply cordate at base, abruptly acute to short-acuminate at apex, entire to irregularly repand-denticulate at margin. inflorescences terminal, paniculate, loosely many-flowered, to 45 x 25 cm, often conspicuously bracteate, the branches bright red, the flowers showy; calyx campanulate, bright red, 3-5 (-9) mm long, 5-lobed, the lobes 1-3 mm long, acute, corolla hypocrateriform, red to vermilion, the tube slender, to 2.5 cm long, the limb spreading to 3 cm, the lobes obovate, to 15 x 10 mm, stamens and style bright red, exserted about 3 cm beyond corolla throat; fruit bright red or scarlet, turning purplish or black when mature, deeply 4-lobed, to 7 x 10 mm.

Habitat

Moist, disturbed areas at low elevations, roadsides

Comments

It reproduces both by seeds and vegetatively.

Control Methods

• Manual: NA
• Chemical: NA
• Biological: NA

Control Notes

NA

References

Dave's Garden. 2022. Clerodendrum Species, Flaming Glory Bower, Giant Salvia, Java Glory Bower, Pagoda Flower. https://davesgarden.com/guides/pf/go/2400 Accessed March 27, 2022.

IFAS, UF. 2017. Assessment of Non-Native Plants in Florida's Natural Areas. Clerodendrum speciosissimum. https://assessment.ifas.ufl.edu/assessments/clerodendrum-speciosissimum/ Accessed March 27, 2022.

Global Biodiversity Information Facility. 2021. Clerodendrum speciosissimum Drapiez in GBIF Secretariat. GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 26 April 2022.

CABI. 2017. Invasive Species Compendium. Clerodendrum speciosissimum(Java glory bower). https://www.cabi.org/isc/datasheet/113372 Accessed July 28, 2022.