Catalpa Scop.

Catalpa (en), Catalpa (fr)

Genus

Angiosperms > Lamiales > Bignoniaceae

Characteristics

Cal splitting irregularly or more commonly into 2 unequal lobes; cor large, evidently bilabiate, with an oblique, campanulate tube and 5 spreading lobes erose or crisped on the margin; stamens commonly 2, about as long as the cor-tube, accompanied by 3 minute staminodia, or occasionally 4 with 1 staminodium; fr elongate, cylindric, bilocular, loculicidal; seeds flat, narrowly oblong, the 2 wings terminating in hairs; trees with opposite or whorled, simple, cordate-ovate to rotund, entire or shallowly lobed lvs and terminal panicles of large, white or yellowish fls ± spotted or mottled with yellow and purple. 10+, e. N. Amer. and e. Asia.
More
Trees deciduous. Leaves simple, purple glandular punctate at vein axils abaxially. Inflorescences paniculate, corymbose, or racemose, terminal. Calyx bilabiate or irregularly divided, globose in buds. Corolla campanulate, bilabiate, upper lip 2-lobed, lower lip 3-lobed. Fertile stamens 2, included, inserted at base of corolla tube; staminodes 3. Disc conspicuous. Ovary 2-locular; ovules several. Capsule dehiscing loculicidally, long terete; valves thin; septum slender, terete. Seeds in several rows, rounded, thin membranous, with hair tufts at both ends.
Life form annual
Growth form tree
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-9

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 14 - 30
Germination temperacture (C°) 15 - 21
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Catalpa unspecified picture

Distribution

Catalpa world distribution map, present in China and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:30022327-2
WFO ID wfo-4000006971
COL ID 62KMN
BDTFX ID 86107
INPN ID 190391
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Catalpa Cumbalu

Lower taxons

Catalpa purpurea Catalpa brevipes Catalpa longissima Catalpa macrocarpa Catalpa bungei Catalpa ovata Catalpa speciosa Catalpa bignonioides