Campsis Flower

Chinese
凌霄花
Pinyin
Ling Xiao Hua
Latin
Flos Campsis

TCM Properties

Taste
sweet, sour
Temperature
slightly cold
Channels
Liver, Pericardium

Traditional Use

Primary Actions

  • Invigorates blood and dispels stasis - Ling Xiao Hua is classically used for amenorrhea, painful menstruation, postpartum stagnant pain, and fixed blood-stasis discomfort.
  • Cools blood and reduces hot eruptions - traditional use extends to red itchy skin lesions, wind-heat eruptions, and blood-heat swelling.
  • Reduces swelling from trauma or toxic heat - folk practice applies it to bruising and inflammatory lesions when blood stasis and heat overlap.

Secondary Actions

  • Ling Xiao Hua is more moving than nourishing, so it is typically chosen when there is obvious stasis, heat, or obstructed flow rather than empty deficiency.
  • Its menstrual applications often overlap with Tao Ren, Hong Hua, Chi Shao, and Dan Pi, especially when heat and stasis are both present.

Classic Formulas

  • Ling Xiao Hua with Tao Ren and Hong Hua - standard blood-moving pairing logic for amenorrhea, clotted painful periods, and postpartum stasis.
  • Ling Xiao Hua with Dan Pi and Chi Shao - cooling-blood combination for hot blood-stasis patterns with rash, irritability, or red lesions.
  • Ling Xiao Hua with Niu Xi - lower-jiao directing strategy when menstrual stasis or traumatic swelling needs stronger downward movement.

Classical References

  • Traditional sources place Ling Xiao Hua among blood-regulating flowers that move stasis while also cooling heat from the blood level.
  • Teaching texts consistently emphasize gynecologic blood stasis and red swollen skin conditions as the herb's main territory.
  • It is not a gentle tonic herb and is usually prescribed when there is a clear excess pattern to move or cool.

Modern Research

Active Compounds

  • Acteoside - a well-measured marker compound in Campsis flower quality work
  • Oleanolic acid and ursolic acid - major triterpenes quantified in the herb
  • Flavonoids including apigenin-related constituents - increasingly discussed in mechanistic studies
  • Broader antioxidant phenolic fraction - likely relevant to the flower's anti-inflammatory profile

Studied Effects

  • Campsis grandiflora flower showed antioxidative and acute anti-inflammatory activity in experimental work, offering a modern correlate to its traditional use in hot swollen patterns (PMID 16169696).
  • A 2011 HPLC study quantified acteoside, oleanolic acid, and ursolic acid in the flower, helping define modern quality markers for the crude herb (PMID 21809582).
  • A 2024 network-pharmacology and experimental paper identified apigenin as an anti-inflammatory active ingredient of Campsis grandiflora flower in a neuroinflammatory disease model, suggesting broader biologic relevance beyond its classic blood-stasis indications (PMID 39383141).

PubMed References

Safety & Interactions

Contraindications

  • Pregnancy
  • Heavy bleeding or weak menstrual loss without signs of blood stasis
  • Dry deficiency states without heat or obstructive stasis

Cautions

  • Because Ling Xiao Hua moves blood, it should be matched carefully to the pattern and is not appropriate for routine unsupervised use in pregnancy.
  • Authentication matters - dried flower materials can be confused with unrelated toxic flowers in trade channels, so source quality is important.
  • MSK page not found - drug interaction data not available from Memorial Sloan Kettering integrative medicine database

Conditions