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Cratoxylum cochinchinense

Red Memphat · Yellow Cow Wood

Family HypericaceaeGenus Cratoxylum

Three slender trunks with smooth bark flaking away in patches of tan, pink and gray
BarkCychk (cychk)CC BY-SA 4.0

About the plant

What it is and where it grows — not part of any germination protocol.

Habit
shrub or treePlants of the World Online
Flower
Deep crimson, pink, pinkish yellowFlora of China
Native range
Andaman Is., Bangladesh, Borneo, Cambodia, China South-Central, China Southeast and elsewhereGBIF Backbone Taxonomy

Toxicity is noted only where a source states it. No note here is not a finding of safety.

Sources: Plants of the World Online — Royal Botanic Gardens, Kew; Flora of China — Wu Zhengyi, Peter H. Raven and Hong Deyuan (eds.); GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

Worth knowing

  • Cochinchinense means "of Cochinchina". The species was described in Vietnam, where it is usually called thành ngạch nam. In Malesia the trees are cut for timber. Wikipedia: Cratoxylum cochinchinense

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1993

Difficulty Low Rated by us, not by the source.

Start around February 8, 2027 for a May 3 last frost.

  1. Cold moist stratification

    Temperature: 40°F 4°C

Germination happens during step 1, in 56 days.

100% germination in 42–56 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Hypericum p. 154Public domain
Show the original text
Hypericum (Hyperiaceae). H. pulchellum germ. 70(100% on 5th d) and 40(100% in 6-8 w).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Hypericum p. 154. Quoted exactly. Every value on this card comes from this record, except the difficulty rating, which is ours; the step names come from a fixed list.

Protocol 2

DerivedN. C. Deno, 1993

Difficulty Low Rated by us, not by the source.

Start around March 31, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C

No stated waiting before sowing. Then 5 days to germinate.

100% germination in 5 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Hypericum p. 154Public domain
Show the original text
Hypericum (Hyperiaceae). H. pulchellum germ. 70(100% on 5th d) and 40(100% in 6-8 w).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Hypericum p. 154. Quoted exactly. Every value on this card comes from this record, except the difficulty rating, which is ours; the step names come from a fixed list.

How each step is done, in Deno’s words, and what Verified and Derived mean.

Germination trials

Readers’ own records of sowing this species, published after review. Share your trial · All trials

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